Dictionary

1infinitesimal

noun in·fin·i·tes·i·mal \(ˌ)in-ˌfi-nə-ˈte-sə-məl, -zə-məl\

Definition of INFINITESIMAL

:  an infinitesimal quantity or variable

Origin of INFINITESIMAL

New Latin infinitesimus infinite in rank, from Latin infinitus
First Known Use: 1706

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb

2infinitesimal

adjective

: extremely small

Full Definition of INFINITESIMAL

1
:  taking on values arbitrarily close to but greater than zero
2
:  immeasurably or incalculably small <an infinitesimal difference>
in·fin·i·tes·i·mal·ly \-mə-lē\ adverb

Examples of INFINITESIMAL

  1. an infinitesimal moment in time
  2. <a soft drink with only an infinitesimal amount of caffeine>

First Known Use of INFINITESIMAL

1710

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb
INFINITESIMAL Defined for Kids

infinitesimal

adjective in·fin·i·tes·i·mal \in-ˌfi-nə-ˈte-sə-məl\

Definition of INFINITESIMAL for Kids

:  extremely small <The chance of winning is infinitesimal.>

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