单词 | state of matter |
释义 | state of matter (once / 86907 pages) n WORD FAMILY state of matter: states of matter USAGE EXAMPLESAll three researchers used maths to explain strange physical effects in rare states of matter, such as superconductors, superfluids and thin magnetic films. BBC(Dec 10, 2016) Early theoretical work on topological states of matter won three physicists the Nobel Prize in Physics on 4 October. Nature(Oct 20, 2016) The Associated Press headlined it, “Weird science: 3 win Nobel for unusual states of matter.” Washington Times(Oct 05, 2016) n (chemistry) the three traditional states of matter are solids (fixed shape and volume) and liquids (fixed volume and shaped by the container) and gases (filling the container) Syn|Hypo|Hyper state form, phase (physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary liquid, liquid state, liquidity, liquidnessthe state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility solid, solid state, solidnessthe state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape gas, gaseous statethe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container plasma(physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons interplanetary gasa rarefied flow of gas and charged particles (plasma) that stream from the sun and form the solar wind dispersed particles, dispersed phase(of colloids) a substance in the colloidal state dispersing medium, dispersing phase, dispersion medium(of colloids) a substance in which another is colloidally dispersed chemical phenomenon any natural phenomenon involving chemistry (as changes to atoms or molecules) |
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