Infinitesimal Meaning

/ˌɪnfɪnɪˈtɛsɪməl/
C2

Definition, CEFR level C2, pronunciation, examples, and quiz.

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adjIncalculably, exceedingly, or immeasurably minute; vanishingly small.

adjOf or pertaining to non-zero quantities whose magnitude is less than any positive rational number.

My love for you is infinitesimal.
We were only given infinitesimal doses.
Synonyms:
Antonyms:
CEFR Practice Quiz
The amount of dust on the microscope slide was ____, barely visible even under high magnification.
CEFR Practice Quiz (Alternate)
The difference between the two chemical samples was ____ and could only be seen with a lab test.

From New Latin īnfīnītēsimus + -al. Displaced earlier coordinate term fluxion.

""You will conceive a bunch of grapes," said he, "which are covered by some infinitesimal but noxious bacillus."" — 1913, Arthur Conan Doyle, “(please specify the page)”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:
"Then you could say that the doorway exploded. But the particular verb doesn't do the action justice. Rather, it shattered into infinitesimal pieces." — 2001, Eoin Colfer, Artemis Fowl, page 221:
"It occurred to the hearer, who was accustomed to glean much of his knowledge from the infinitesimals of tone, that there was a spice of "It is my duty and I will" in this praiseworthy resolve which fell short of the ecstatic resolution of the Saturday Nora." — 1934, Ernest Bramah, The Bravo of London:

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CEFR Practice Quiz
The amount of dust on the microscope slide was ____, barely visible even under high magnification.
CEFR Practice Quiz (Alternate)
The difference between the two chemical samples was ____ and could only be seen with a lab test.

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