chemical decay

См. также в других словарях:

• decay — vb Decay, decompose, rot, putrefy, spoil, disintegrate, crumble mean to undergo or, in some cases, to cause something to undergo destructive dissolution. Decay implies change, commonly a natural and gradual change, from a state of soundness or… …   New Dictionary of Synonyms

• Decay correct — is a method of adjusting the measurements of radioactive decay obtained at two different time points so that they may be used as a single data set. If a chemical compound is tagged with a radioactive isotope then the amount of radiation released… …   Wikipedia

• Chemical substance — Chemical redirects here. For other uses, see Chemical (disambiguation). Steam and liquid water are two different forms of the same chemical substance, water. In chemistry, a chemical substance is a form of matter that has constant chemical… …   Wikipedia

• decay — [dē kā′, dikā′] vi. [ME decaien < Anglo Fr & OFr decäir < VL * decadere: see DECADENCE] 1. to lose strength, soundness, health, beauty, prosperity, etc. gradually; waste away; deteriorate 2. to rot or decompose 3. to undergo radioactive… …   English World dictionary

• Chemical King — Publication information Publisher DC Comics First appearance …   Wikipedia

• Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …   Wikipedia

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• decay — 1 verb 1 (I, T) to be slowly destroyed by a natural chemical process, or to make something do this: The carcass was already starting to decay. 2 (intransitive often in progressive) if buildings, structures, or areas decay, their condition… …   Longman dictionary of contemporary English

• decay — de|cay1 [dıˈkeı] v [Date: 1400 1500; : Old North French; Origin: decaïr, from Late Latin decadere to fall, sink ] 1.) [I and T] to be slowly destroyed by a natural chemical process, or to make something do this →↑rot ▪ Her body was already… …   Dictionary of contemporary English

• decay — decayable, adj. decayedness /di kayd nis, kay id /, adj. decayless, adj. /di kay /, v.i. 1. to become decomposed; rot: vegetation that was decaying. 2. to decline in excellence, prosperity, health, etc.; deteriorate. 3. Physics. (of a radioactive …   Universalium

• decay — I (New American Roget s College Thesaurus) n. decomposition, deterioration, disintegration, dilapidation, putrefaction, rot, caries. v. i. rot, putrefy, mortify; disintegrate. See oldness, uncleanness. II (Roget s IV) n. 1. [A progressive… …   English dictionary for students