Definitions

1. noun

A unit of measurement for the quantity of ionizing radiation, equal to the quantity of radioactive activity that emits one gamma ray per second.

“The becquerel is a fundamental unit of measurement in nuclear physics, used to quantify the intensity of radiation.”

2. noun

A unit of measurement for the radioactivity of a substance, used to express the rate of decay of unstable isotopes.

“The sample’s radioactivity was measured in becquerels per minute.”