Half-life and Period

Half-life noun - 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).

Period and half-life are semantically related. In some cases you can use "Period" instead a noun phrase "Half-life".

Period noun - An occurrence of menstruating.

Half-life and period are semantically related. Sometimes you can replace phrase "Half-life" with "Period", this terms are similar.

Nearby Words: periodical, periodic, periodically