Dictionary
Type a word in English or Spanish. English is blue, Spanish is rose. Tap any line to hear it.
half-life
English
- 🔊 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)
Spanish
- 🔊 hemivida half-life
- 🔊 semivida half-life
- 🔊 vida media half-life