quasi-n. (Arithmetical) infinity. Obsolete.

(with plural) Something that is infinite (or, by hyperbole, indefinitely great); a boundless (or vast) extent, space, amount, number, etc.; infinity.

Mathematics. An infinite quantity: see A. 4b.

= infinity, n.; an infinitude, an endless amount or number: see ad infinitum, adv., and in infinitum, adv.

Mathematics. Infinite quantity (see infinite, adj. 4c): denoted by the symbol ∞. Also, an infinite number (of something; quot. 1831).