mole

noun/moʊl/

Frequency rank: #6,285 of 20,003 in the WORDED list (wordfreq data)

Meaning

a unit in chemistry equal to approximately 6.022 × 10²³ particles of a substance.

Illustration for the English word “mole”

Example sentence

The scientist used the mole as a unit to measure the amount of substance in the experiment.

More words in ranks 6,201–6,300