IELTS Anvil

infinitesimal

CEFR: C2

Extremely, unimaginably small; approaching zero in mathematical measurement or microscopic degree.

Synonyms

minuscule
microscopic

Common Collocations

infinitesimal chance
infinitesimal quantity
infinitesimal scale

Example Sentence

Quantum physicists measure infinitesimal fluctuations in atomic energy states inside particle colliders.

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