name, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   In the International System of Units, the derived unit of radioactive activity; the activity of a quantity of radioactive material in which one nucleus decays per second. Symbol: Bq

Proper Noun

1. 1
   A surname from French.

Synonyms

All synonyms

antoine henri becquerel

Etymology

Borrowed from French becquerel. Named after the French physicist Henri Becquerel.

Related phrases

Becquerel rayderived unitinternational system of units

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.