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half-life ['hɑ:flaɪf]
agric.	moitié de la vie moyenne; période de demi-valeur; période de demi-vie
anal.chem.	période radioactive (period)
chem.	vie moyenne
med.appl.	période de demi-valeur (period); période de demi-vie (period)
nucl.pow.	période f; demi-vie m; demi-vie radioactive; période de radioactivité; période radioactive
радиоакт.	période physique; demi-vie m (radioactive); demi-période radioactive; période atomique
α half-life
nucl.phys., радиоакт.	période de la désintégration alpha
радиоакт.	période de la désintégration α; période alpha; période α
half life ['hɑːflaɪf]
food.ind.	période radioactive; période f
med.	période de demi-vie
nat.res.	demi-vie m
half-life radioactive ['hɑ:flaɪf]
earth.sc.	périoderadioactive f; périodo de demi-vie
half-life The time required for one-half the atoms of a given amount of radioactive material to undergo radioactive decay ['hɑ:flaɪf]
environ.	demi-vie m
English thesaurus
half-life ['hɑ:flaɪf]
abbr., med.	T 1/2
metrol.	The time span necessary for the atoms of a nuclide to disintegrate by one half
USA	The time required for the activity of a given radioactive species to decrease to half of its initial value due to radioactive decay (JP 3-11)
Half-Life ['hɑ:flaɪf]
med.	The time it takes a drug to lose half its original concentration or activity after being introduced into the body. Drug half-life is considered when determining drug dosing.

half-life: 75 phrases in 15 subjects

Agriculture	7
Chemistry	4
Earth sciences	3
General	12
Health care	4
Life sciences	1
Measuring instruments	1
Medical	4
Natural sciences	1
Nuclear and fusion power	2
Nuclear physics	11
Radiology	1
Technology	5
United Nations	3
Радиоактивное излучение	16