prismoid

noun pris·moid \ ˈpriz-ˌmȯid \

Definition of prismoid

: a prismatoid whose parallel bases have the same number of sides

prismoidal

play \priz-ˈmȯi-dᵊl\ adjective

First Known Use of prismoid

1881

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Learn More about prismoid


Seen and Heard

What made you want to look up prismoid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a large number

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!