plural of one and a half

One and a half parts of anything that may be divided, or considered as divided.

(sports) a type of elimination playoff series that is a single-game series, to decide who wins the playoff round

plural of one-and-done

(UK, historical) Cheap seats in a theatre, costing one shilling and nine pence.

The number represented by the Arabic numeral 1; the numerical value equal to that cardinal number. / (number theory) The first positive number in the set of natural numbers.

(impersonal pronoun, indefinite) One thing (among a group of others); one member of a group.

The digit or figure 1. / (mathematics) The neutral element with respect to multiplication in a ring. / (US) A one-dollar bill. / One o'clock, either a.m. or p.m.

Of a period of time, being particular. / Being a single, unspecified thing; a; any. / Sole, only. / Whole, entire. / In agreement. / The same. / Being a preeminent example.

To cause to become one; to gather into a single whole; to unite.