Phrase guide

equivalent dose

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The radiation dose as adjusted by a factor for radiation type (for example, X-rays or gamma rays versus alpha rays). Like several other dose types, expressed by SI in sieverts (non-SI, in rems).

Definition source: English Wiktionary via Wiktextract

Topics: biology, medicine, natural-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: dose equivalent

Antonyms: none provided

Broader terms: radiation dose, dose

History

Etymology

From the notion of an equal result as compared across types of radiation that have different potency of biological effect (for example, within the body, alpha rays are more deleterious than X-rays). Wikipedia explains at relative biological effectiveness.