/ ˌdəʊdekəˈhiːdrən; -ˈhed-; NAmE ˌdoʊ-/ noun
( geometry ) a solid figure with twelve flat sides
••
WORD ORIGIN
late 16th cent.: from Greek dōdekaedron , neuter (used as a noun) of dōdekaedros twelve-faced.
/ ˌdəʊdekəˈhiːdrən; -ˈhed-; NAmE ˌdoʊ-/ noun
( geometry ) a solid figure with twelve flat sides
••
WORD ORIGIN
late 16th cent.: from Greek dōdekaedron , neuter (used as a noun) of dōdekaedros twelve-faced.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005