(US, modern British & Australian, short scale) a thousand million (logic: 1,000 × 1,000^2): 1 followed by nine zeros, 10⁹; a milliard

plural of billion

Having more than 1,000,000,000; in the billion range. / (in the old numbering system, chiefly Britain), more than 1,000,000,000,000; in the old billion range.

(geology) The period of time from 1.8 Gya to 800 Mya, on Earth, lying in the middle of the Proterozoic.

An indefinite elite which is supposedly pulling strings to amass wealth and destroy regular people’s lives.

plural of billion laughs attack

(computer security) A type of denial-of-service attack which is aimed at parsers of XML documents.

Somebody whose wealth is greater than one billion (10⁹) dollars, or other currency.

The ordinal form of the number one billion.

The person or thing in the billionth position. / One of a billion equal parts of a whole.