Radioactive decay measure Crossword Clue
8 letters · New York Times · Monday, April 22, 2002 · 40-Down
Appeared in 1 New York Times Crossword: Monday, April 22, 2002.
Exact puzzle match · New York Times · April 22, 2002 · 40-Down · 8 letters
HALFLIFE0 of 8 letters revealed
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What does this clue mean?
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
noun
WordNet® (Princeton University)
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