Meaning of INFINITESIMAL in English

INFINITESIMAL

— infinitesimality, infinitesimalness , n. — infinitesimally , adv.

/in'fin i tes"euh meuhl/ , adj.

1. indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.

2. immeasurably small; less than an assignable quantity: to an infinitesimal degree.

3. of, pertaining to, or involving infinitesimals.

n.

4. an infinitesimal quantity.

5. Math. a variable having zero as a limit.

[ 1645-55; infinitesim ( us ), equiv. to L infinit ( us ) INFINITE + -esimus suffix of ordinal numerals + -AL 1 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .