bipyramid

[ bahy-pir-uh-mid ]
/ baɪˈpɪr ə mɪd /

noun Crystallography.

a form symmetrical about a plane dividing it into two pyramids.
Also called dipyramid.

Origin of bipyramid

bi-1 + pyramid

OTHER WORDS FROM bipyramid

bi·py·ram·i·dal [bahy-pi-ram-i-dl] /ˌbaɪ pɪˈræm ɪ dl/, adjective

Words nearby bipyramid

bipolar version, bipotentiality, bippy, biprism, bipropellant, bipyramid, biquadrate, biquadratic, biquarterly, biracial, biradial

British Dictionary definitions for bipyramid

bipyramid
/ (ˌbaɪˈpɪrəmɪd) /

noun

a geometrical form consisting of two pyramids with a common polygonal base