TRIHEDRON


Meaning of TRIHEDRON in English

[ trʌɪ'hi:drən , -'hɛdrən ]

■ noun ( plural trihedra -drə or ~s ) a solid figure having three sides or faces (in addition to the base or ends).

Derivatives

trihedral adjective &noun

Origin

C19 (earlier (C18) as trihedral ): from tri- + -hedron .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.