OZDIC

infinitesimal

UK /ˌɪnfɪnɪˈtɛsɪməl/ US /ˌɪnfɪnɪˈtɛsɪməl/
adj 3noun 1

Definitions

adj

1

Incalculably, exceedingly, or immeasurably minute; vanishingly small.

Do you ever get the feeling that you are but an infinitesimal speck, swallowed by the vastness of the universe and beyond?

"You will conceive a bunch of grapes," said he, "which are covered by some infinitesimal but noxious bacillus."

2

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

3

Very small.

noun

1

A non-zero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).

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