Biprism
7 lettersnounrareUpdated June 2026
Definition
An optical prism with two faces meeting at a very obtuse angle, used in experiments to split and recombine light beams to produce interference fringes.
“The physics student set up a biprism in front of the monochromatic lamp to observe interference patterns on the screen.”
Word Game Tips
Wordle
Contains B, P, R, M with no repeated letters, and the PRISM segment is a well-known embedded word in the second half
Scrabble
Worth 13 points with P(3), M(3), and B(3) all contributing strongly, making this a good rack play despite its rarity
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