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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clue for "HALFLIFE"

HALFLIFE: *Physics period

Other crossword clues for answer "HALFLIFE"

HALFLIFE: *Radioactive decay measure; About 5700 years, for carbon-14; Radioactivity figure; 24,110 years, for plutonium 239; Carbon 14 feature