Disintegration of atomic nuclei resulting in the emission of alpha or beta particles (usually with gamma radiation). Also the exponential decrease in radioactivity of a material as nuclear disintegrations take place and more stable nuclei are formed.
Found on http://www.encyclo.co.uk/visitor-contributions.php
A process in which a particle disappears and in its place different particles appear. The sum of the masses of the produced particles is always less than the mass of the original particle. Found on http://www.encyclo.co.uk/visitor-contributions.php
This is also called site formation. In most oceans (except the Baltic Sea and a few other places), a shipwreck under water deteriorates rapidly during a first stage. This often takes decades for a wooden ship and about a century for a steel ship (shorter time in shallow water). What remains after that is usually stable for millennia if it remains c...Found on http://www.abc.se/~pa/uwa/glossary.htm
The gradual decomposition of dead organic matter. Found on http://ppathw3.cals.cornell.edu/glossary/Defs_D.htm
Also known as Radioactive Decay . Radioactive substances undergo radioactive decay, the rate of which is determined by the properties of the radionuclide. As decay proceeds the resulting activity of the parent Nuclide reduces and will eventually disappear. The daughter product may be stable (inactive) or may itself be Radioactive and undergo furthe...Found on http://www.ionactive.co.uk/glossary.html
- an inferior state resulting from the process of decaying 2. [n] - the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation 3. [n] - the process of gradually becoming inferior 4. [n] - a gradual decrease 5. [n] - the organic phenomenon of rotting 6. [v] - undergo decay o...Found on http://www.webdictionary.co.uk/definition.php?query=decay
This is the doctrine (originally from Ebbinghaus, 1885) that forgetting can be caused by the gradual disappearance of a memory trace over time. That is to say, you forget because your engrams spontaneously become fainter and fainter over time, unless you revisit them occasionally to refresh them. [C
Found on http://www.encyclo.co.uk/local/20408
The process of spontaneous transformation of a radionuclide. The decrease in the activity of a radioactive substance.Found on http://www.encyclo.co.uk/local/20474
one of the four basic stages of an envelope. Refers to the time the sound takes to settle into its sustain level.Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
the period of an envelope during which a sound's attribute (such as volume) stabilizes after the attack has completed. When the sound attribute reaches the end of it's decay, it has reached the sustain period. The progressive reduction in amplitude of a sound or electrical signal over time. In the context of an ADSR envelope shaper, the Decay phase...Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
Disintegration of atomic nuclei resulting in the emission of alpha or beta particles (usually with gamma radiation). Also the exponential decrease in radioactivity of a material as nuclear disintegrations take place and more stable nuclei are formedFound on http://www.encyclo.co.uk/local/20725
The decrease in the amount of any radioactive material over time due to the transformation of one nuclide into a different nuclide or into a different energy state of the same nuclide. The decay process results in the emission of nuclear radiation (alpha, beta and gamma) and heat.
Found on http://www.contractorsunlimited.co.uk/toolbox/nuclear.shtml
Change of an element into a different element, usually with some other particle(s) and energy emitted.Found on http://www.chemicalglossary.net/definition/608-Decay
Change of an element into a different element, usually with some other particle(s) and energy emitted.
Found on http://www.shodor.org/UNChem/glossary.html
Decrease in activity of a radioactive substance due to the disintegration of an atomic nucleus resulting in the release of alpha or beta particles or gamma radiation.
Found on http://www.encyclo.co.uk/local/20841
Disintegration of wood or other substance through the action of fungi. Found on http://www.encyclo.co.uk/local/20933
De·cay' intransitive verb
[ imperfect & past participle Decayed
; present participle & verbal noun Decaying
.] [ Old French decaeir
, French déchoir
, to decline, fall, become less; Lat...Found on http://www.encyclo.co.uk/webster/D/14
De·cay' transitive verb 1.
To cause to decay; to impair. [ R.] « Infirmity, that decays
the wise.» Shak. 2.
To destroy. [ Obsolete] Shak. Found on http://www.encyclo.co.uk/webster/D/14
De·cay' noun 1.
Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay
of the body; the decay
of virtue; the decay
o...Found on http://www.encyclo.co.uk/webster/D/14
To pass gradually from a sound, prosperous, or perfect state, to one of imperfection, adversity, or dissolution; to waste away; to decline; to fail; to become weak, corrupt, or disintegrated; to rot; to perish; as, a tree decays; fortunes decay; hopes decay. 'Ill fares the land, to hastening ills a prey, Where wealth accumulates and men decay.' (Go...Found on http://www.encyclo.co.uk/local/20973
the organic phenomenon of rottingFound on https://www.encyclo.co.uk/local/20974
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiationFound on https://www.encyclo.co.uk/local/20974
(de-ka´) the gradual decomposition of dead organic matter. the process or stage of decline, as in old age. tooth decay dental caries.Found on http://www.encyclo.co.uk/local/21001
• (n.) Cause of decay. • (v. t.) To destroy. • (v. t.) To cause to decay; to impair. • (n.) Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the decay of ...Found on http://thinkexist.com/dictionary/meaning/decay/
decay, decays, decaying 1. To break down into component parts; rot. 2. In physics, to disintegrate or diminish by radioactive decay. 3. In electronics, to decrease gradually in magnitude with reference to voltage or current. 4. In aerospace, to decrease in orbit; referring to an artificial satellite. 5. To fall into ruin; such as, a civilizatio...Found on http://www.wordinfo.info/words/index/info/view_unit/342/3
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