Webhalf-life. (hăf′līf′, häf′-) n. 1. Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay. 2. Biology. a. The time required for half the quantity of a drug or other substance deposited in a living organism to be metabolized or eliminated by normal biological processes. Web2 days ago · The letter stated that OCR was providing an update in light of Bostock and took the position that when a recipient provides “separate teams for members of each sex” under 34 C.F.R. §106.41(b), “the recipient must separate those teams on the basis of biological sex” and not on the basis of gender identity. Revised CIAC Letter at 36.
Half-life Definition & Meaning - Merriam-Webster
WebMar 9, 2024 · Biological half-life. The time required for a biological system, such as that of a human, to eliminate, by natural processes, half of the amount of a substance (such as … WebApr 13, 2024 · (Bloomberg) -- Prime Minister Rishi Sunak said it’s important to preserve single-sex spaces for “biological” women, in a signal of intent that his UK administration plans to exclude trans people from those areas.Most Read from BloombergUS-Saudi Oil Pact Breaking Down as Russia Grabs Upper HandUS Arrests 21-Year-Old National … how far is athens from columbus ohio
Biological half-life Definition & Meaning - Merriam Webster
Webbiological half-life. (ˌbaɪəˈlɒdʒɪkəl ˈhɑːflaɪf ) noun. the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be naturally eliminated. … WebHalf-life (symbol t ½) is the time required for a quantity (of substance) to reduce to half of its initial value.The term is commonly used in nuclear physics to describe how quickly … Webbiological half-life: the time required for the body to eliminate half of an administered dose of any substance by regular physiological processes. The biological half-life is approximately the same for stable and radioactive isotopes of a specific element. Also called metabolic half-life. See also effective half-life, half-life . hifiman he1000se head fi