prismlike
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Prismatoidal — Pris ma*toid al, a. [Gr. ?, ?, prism + oid: F. prismato[ i]de.] Having a prismlike form. Ure. [1913 Webster] … The Collaborative International Dictionary of English
ret|ro|re|flec|tor — «REHT roh rih FLEHK tuhr», noun. a prismlike device that reflects light back to its source, used as an aid in radar observations and in measuring the distance of the moon or other body in space from the earth … Useful english dictionary
