Phrase guide

multileaf collimator

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

A collimator used in a linear accelerator to provide conformal shaping of beams for radiotherapy. Abbreviation: MLC.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

So called because it is made up of individual "leaves" of a chemical element, usually tungsten, that can move independently in and out of the path of a particle beam in order to block it.