Meaning

3 senses
  1. A non-SI unit of measure for radiation dose, measured as equivalent dose, effective dose, or committed dose, from one roentgen of X-rays or gamma rays.

    (roentgen equivalent man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays

  2. A remark; a programming language statement used for documentation (in BASIC for example); also used in DOS batch files.

  3. A unit relative to the declared font size of the root element in an HTML document.

Examples

2 sentences
  1. Cats twitch during REM sleep.

    CC0 · Tatoeba · shekitten · C1Open on TatoebaReport a problem
  2. The brain waves during REM sleep are the same as when awake, and it's the stage when you have dreams.

Origin

Abbreviation of Roentgen equivalent in man. Shortening of remark. Blend of root + em.

Abbreviation of Roentgen equivalent in man.

Shortening of remark.

Blend of root + em.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: rems
Singularrem
Pluralrems

regular

Synonyms

4 synonyms
Close in meaning

Word family

5 related words

See also

neighbours in the dictionary
rem — meaning, examples, forms, synonyms | Krumeto