1. Plural of becquerel; units of radioactivity equal to one nuclear decay per second.
Usage: scientific; physics; SI unit

Examples

• The radiation level was measured in becquerels to determine safety standards.
• A sample of cobalt-60 emitted 5,000 becquerels of gamma radiation.
• Scientists use becquerels as the standard unit for measuring radioactivity in the laboratory.
• The contaminated water contained trace amounts of becquerels per liter.
• The detector registered becquerels of activity from the uranium sample.