define expansion in science
Small gaps, called expansion gaps, are deliberately left between the rails as there is an expansion of the rails in hot weather. As with much of modern science, we can look back to the ancients for the origins of the ideas about how to measure temperature back to the ancients. Published by Houghton Mifflin Company. Expands means it gets a little bigger. In order for stem cells, or even fully differentiated cell populations to be truly beneficial or useful, either therapeutically, as drug screening tools, or for core research purposes, expansion of cells is prerequisite. The Altair 8800 was the first slot-type expansion card bus added to a microcomputer. By Staff Writer Last Updated Mar 26, 2020 10:11:20 PM ET. Should You Say “Daylight-saving Time” Or “Daylight-savings Time”? Copyright © 2011. Compression, decrease in volume of any object or substance resulting from applied stress.Compression may be undergone by solids, liquids, and gases and by living systems. In April, there was an hourlong “Election Administration Forum Conference Call” that covered, in part, the expansion of mail-in voting and “ways to message these concerns to your constituents,” according to the invitation. Have you ever heard your house creaking? an … 4 : the increase in volume of working fluid (such as steam) in an engine cylinder after cutoff or in an internal combustion engine after explosion. What happens to the bottle? It's the amount of space between them that changes. … When a material cools down the opposite happens. The American Heritage® Science Dictionary When substances are heated, the molecular bonds between their particles are weakened, and … Table 6.1 shows some examples of expansion. Expansion definition is - expanse. This happens because the particles move faster and spread out. something that is expandable or can be extended; an extended object: a table with drop-leaf extensions. This would allow the metallic cover to expand, thereby loosening it to unscrew easily. Substances expand (increase in size) when they get warmer, and they contract (decrease in size) when they get cooler. Railway tracks consist of two parallel metal rails joined together. Every step which she took toward relieving herself from obligations added to her strength and expansion as an individual. expansion, in physics, increase in volume resulting from an increase in temperature. Many factors are driving the violent expansion of this years' wildfires. This is a simple experiment you can try to see expansion and contraction for yourself. An appropriate culture environment is critical to stem cell expansion efforts. So, the material gets slightly bigger. Dictionary.com Unabridged The spreading out of a structure, such as a tendon. The particles themselves don't get … “Pie” vs. “Cake”: What’s Baked Into Their Delicious Differences? © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Why Do “Left” And “Right” Mean Liberal And Conservative? Cell isolation & expansion with Dynabeads and MagniSort tube-based cell separation technology for accurate cell isolation, activation, expansion, and clinical research. Expansion ratio is defined by the rate of change of circumference relative to the initial of one section. For example, The new Covid-19 case surge in Europe, explained, Trump’s most popular YouTube ad is a stew of manipulated video, West Coast wildfire smoke is visible from outer space, AstraZeneca resumed its COVID-19 vaccine trials after uncovering a mysterious reaction, No Democrats Allowed: A Conservative Lawyer Holds Secret Voter Fraud Meetings With State Election Officials, Masters of Alt Sex: SuicideGirls Hits Puberty and Wants to Invade Your TV Set, With Immigration Move, Obama and the Welfare Party Strike Again, John Kasich: The GOP’s Hobbled 2016 Dark Horse, Life of Richard Trevithick, Volume II (of 2). Expansion joints are designed to prevent this. Table 6.2 lists some examples of contraction. Chemistry is the science dealing with the composition and properties of substances, and various elementary forms of matter. b. The settlement no doubt was influenced by the imminence of a large expansion of policy—the ill-starred Irish expedition. The idea that science is a collective enterprise of researchers insuccessive generations is characteristic of the Modern Age (Nisbet1980). what i have been looking for is here. Share 1. If they don't, the structures they design will break when they expand and contract with temperature changes. Check out the science dictionary at HowStuffWorks. He also has backed Medicaid expansion and a state-run exchange under Obamacare. The expansion upon freezing comes from the fact that water crystallizes into an open hexagonal form. How to use expansion in a sentence. We understand! Macros can be defined used in many programming languages, like C, C++ etc. Contraction is the reverse process. This most simple steam-engine combined in the greatest degree the two elements of expansion and momentum. The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. The state of being expanded. When a liquid is heated in a vessel, their molecules move farther apart and due to this the liquid expands and occupy more space. An increase in the volume of a substance while its mass remains the same. China is a great nation, and we should hope for the continued expansion. b : something that results from an act of expanding the book is an expansion … The expansion slot opening is generally located on the back of a PC and provides an electrical connection to the motherboard for an expansion card. Thermal Expansion – Definition , Example , Types of Thermal Expansion THERMAL EXPANSION. Class-7 » Science. Cooling causes a material to contract. Define 'Expansion in liquids'.. Share with your friends. The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4oC to 0oC, and it becomes less dense. Engineers who design buildings, roads, sidewalks, bridges and railway lines have to consider expansion and contraction. the development at length of an expression indicated in a contracted form, as, any mathematical series that converges to a function for specified values in the domain of the function, as 1 +. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition ESA / Science & Exploration / Space Science 'Red shift' is a key concept for astronomers. Contraction is the reverse process. Define 'Expansion in liquids'.. Share with your friends. that part of the operation of an engine in which the volume of the working medium increases and its pressure decreases. Still, the expansion in testing alone can’t fully explain the current case uptick, at least not in every country. Ellenberg et al. What Does "sublimation" Mean in Science? You may have observed that sometimes sealed bottles with metallic lids are so tightly screwed that one has to put the lid in hot water for sometime to open the lid. Expansion and Contraction When the movement of particles speeds up, there is an increase in the space between them. Which Word of the Day means “happening within or being the created world of a story”? Published by Houghton Mifflin Harcourt Publishing Company. Expansion is the phase of the business cycle where real gross domestic product (GDP) grows for two or more consecutive quarters, moving from a trough to a peak. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Expansion is the tendency of a substance to change their volume, due to increased temperature. Solids contract the least while gases contract the most. Expansion is usually due to heating. Expansion (computer science) synonyms, Expansion (computer science) pronunciation, Expansion (computer science) translation, English dictionary definition of Expansion (computer science). Thermal expansion occurs when an object expands and becomes larger due to a change in the object's temperature. Expansion is usually due to heating. There are several forms of this type of diffusion including contagious , hierarchical , and … This kind of expansion is known as a "metric" expansion. He recently put up $50 million for half the cost of the Kennedy Center expansion, where he is chairman of the board. When substances are heated, the molecular bonds between their particles are weakened, and the particles move faster, causing the substance to expand. A few days later, Pfizer announced plans to expand the number of participants enrolled in its clinical trials by the thousands but gave little details on the expansion. Find 31 ways to say expansion, along with antonyms, related words, and example sentences at Thesaurus.com, the world's most trusted free thesaurus. What’s The Difference Between “Assure,” “Ensure,” And “Insure”? Sublimation occurs when temperatures and pressures are below the triple point. Even the most adamant Obamacare opponent must acknowledge, as Kasich has, that its coverage expansion has helped some people. The act or process of expanding: the new nation's expansion westward. When a substance is heated, molecules begin to vibrate and move more, usually creating more distance between themselves. Expansion and contraction. not helpful cause i already know all about this stuff. expansion - a function expressed as a sum or product of terms; "the expansion of (a+b)^2 is a^2 + 2ab + b^2" math , mathematics , maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement Cooling does the opposite of heating. Materials, like the wood used to build your house, expand and contract. additional content for a video game, card game, board game, etc., that significantly expands or alters the way the game is played: I really improved my deck with cards from the latest expansion. What Is An Em Dash And How Do You Use It? “Affect” vs. “Effect”: Use The Correct Word Every Time. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. When heat is applied to a body, the rate of vibration and the distances between the molecules composing it are increased and, hence, the space occupied by … 3 : the quality or state of being expanded. Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature, usually not including phase transitions.. This property can be useful. 600 New Words And Definitions: The Latest Updates To Dictionary.com. Motion and Time. Screws are then used to attach the card to the slot for added security. Applications of Expansion and Contraction: Expansion by heating can be used in several everyday activities. It gets slightly smaller. kaidyn featherstone on September 30, 2020: i already no this stuff im sorry but its a good vid for people who dont, wow. the change in length is along one dimension (length) over the volume I've talked a lot about how our change in internal energy of a system can be due to some heat being added to the system, or some work being added to the system, or being done to the system. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. In the terminology of mathematics and physics, a "metric" is a measure of distance that satisfies a specific list of properties, and the term implies that the sense of distance within the universe is itself changing. Our science dictionary will help explain the meaning of some of the most common science terms. This is the currently selected item. Take the lid off the bottle. the act of expanding or the state of being expanded, something expanded; an expanded surface or part, the degree, extent, or amount by which something expands, an increase, enlargement, or development, esp in the activities of a company, the form of an expression or function when it is written as the sum or product of its terms, the act or process of determining this expanded form, the part of an engine cycle in which the working fluid does useful work by increasing in volume, the increase in the dimensions of a body or substance when subjected to an increase in temperature, internal pressure, etc. Expansion is the tendency of a substance to change their volume, due to increased temperature. An expansion slot is a socket on the motherboard that is used to insert an expansion card (or circuit board), which provides additional features to a computer such as video, sound, advanced graphics, Ethernet or memory. Expansion diffusion occurs when a trend is spread from its originating place, outward. expansion, in physics, increase in volume resulting from an increase in temperature. Ecospace position reflects the position of the biotope in a (hyper-)space spanned by multiple abiotic gradients ().Position is the combination of biotope values for a number of continuous abiotic gradients, such as soil pH, nutrient availability, soil texture, soil moisture and temperature (e.g. The mercury in thermometers rises or falls because the liquid inside expands and contracts based on the temperature. n. 1. a. This happens because the particles move faster and spread out. It is usually expressed as a fractional change in length or volume per unit temperature change; a linear expansion coefficient is usually employed in describing the expansion of a solid , while a volume expansion coefficient is more useful for a liquid or a gas . To understand how this happens, we need to think about what temperature actually is. an expanded, dilated, or enlarged portion or form of a thing: The present article is an expansion of one he wrote last year. Contraction is the reverse process. Define Expansion (computer science). Example macro in C programming.Macros are commonly used in C to define small snippets of code. Share 1. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum. The anomalous expansion of water is an abnormal property of water whereby it expands instead of contracting when the temperature goes from 4 o C to 0 o C, and it becomes less dense.The density becomes less and less as it freezes because molecules of water normally form open crystal structures when in solid form. This hexagonal lattice contains more space than the liquid state. An increase in the volume of a substance while its mass remains the same. Video transcript. So, the material gets slightly bigger. Expansions last on average about four to five years but have been known to … Expansion … Classical empiricists (Francis Bacon) and rationalists(René Descartes) of the seventeenth century urged that the useof proper methods of inquiry guarantees the discovery andjustification of new truths. In other words, there is an increase in the volume (space) it occupies. Definition of Expansion (computer science) in the Medical Dictionary by The Free Dictionary The particles themselves don't get any bigger or smaller. When a material cools down the opposite happens. Getting smaller is called contraction. All rights reserved. Temperature is a monotonic function of the average molecular kinetic energy of a substance. The American Heritage® Stedman's Medical Dictionary It was developed in 1974-1975 by IBM Corp. Take this quiz on the Words of the Day from February, 2021, to show that you’re far from frumious! When heat is applied to a body, the rate of vibration and the distances between the molecules composing it are increased and, hence, the space occupied by the body, i.e., its volume, increases. so reliable. It gets slightly smaller. Class-7 » Science. If the macro has parameters, they are substituted into the macro body during expansion; thus, a … Now hold the bottle in the cold water for a few minutes. Next lesson. An increase in the space between particles means that the substance expands. When a liquid is heated in a vessel, their molecules move farther apart and due to this the liquid expands and occupy more space. Getting smaller is called contraction. Science > Physics > Expansion of Solids > Expansion of Solids. Expansion in solids. Whenever there is an increase in the dimensions of a body due to heating, then the body is said to be expanded and the phenomenon is known as expansion of solids. The coal burnt under the boiler gives a duty of sixty-six millions, or an expansion of 60 per cent. range or scope of extending; degree of extensiveness; extent: the extension of our knowledge. Expansion in liquids: Expansion in gases. Today, metric variation is far too small an effect to see on less than an intergalactic scale. Macro definition and macro expansion insystem software? Expansion is the phase of the business cycle when the economy moves from a trough to a peak. Missy Suicide, formerly known as Selena Mooney, is in New York for a series of brand-expansion meetings. While the bottle is still in the water screw the lid on tight. Motion and Time. You can play the stand-alone expansion without ever buying the original game. The density becomes less and less as it freezes because molecules of water normally form open crystal structures when in solid form. It can sound frightening but it's nothing to worry about. AP®︎/College ... Work from expansion. ... A convenient analogy for the expansion of the Universe is a loaf of unbaked raisin bread. Expands means it gets a little bigger. Thermal expansion definition is - increase in linear dimensions of a solid or in volume of a fluid because of rise in temperature.