Index of English words, starting with "oc"

(1) - Octennial (a.) Happening every eighth year; also, lasting a period of eight years.

(1) - Octet (n.) A composition for eight parts, usually for eight solo instruments or voices.

(1) - Octillion (n.) According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration.