valence - Wordage.info - Free Thesaurus Tool for Word Discovery - Expanded Thesaurus, Reverse Dictionary Lookup

valence: (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent); (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate

beta particle collapse: a high-speed electron or positron emitted in the decay of a radioactive isotope

proton collapse: a stable particle with positive charge equal to the negative charge of an electron

neutron collapse: an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus

alpha particle collapse: a positively charged particle that is the nucleus of the helium atom; emitted from natural or radioactive isotopes

meson collapse: an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0

octet collapse: a musical composition written for eight performers; eight people considered as a unit; a set of eight similar things considered as a unit; eight performers or singers who perform together

ion collapse: a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons

elementary particle collapse: (physics) a particle that is less complex than an atom; regarded as constituents of all matter

tracer collapse: ammunition whose flight can be observed by a trail of smoke; (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes; an instrument used to make tracings; an investigator who is employed to find missing persons or missing goods

nucleus collapse: a part of the cell containing DNA and RNA and responsible for growth and reproduction; any histologically identifiable mass of neural cell bodies in the brain or spinal cord; the positively charged dense center of an atom; (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail

photon collapse: a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle

unit collapse: a single undivided whole; "an idea is not a unit that can be moved from one brain to another"; an organization regarded as part of a larger social group; "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"; a single undivided natural thing occurring in the composition of something else; "units of nucleic acids"; an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"

atom collapse: (nontechnical usage) a tiny piece of anything; (physics and chemistry) the smallest component of an element having the chemical properties of the element

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