Millirem

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    One thousandth of a rem
  2. 2
    a dosage of ionizing radiation equivalent to one thousandth (1/1000) of a rem wordnet

Etymology

From milli- + rem.

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