pyramidoid
/pɪˈramɪdɔɪd/Geometry
noun
A solid figure resembling a pyramid. Now rare.
- parabolic pyramidoid: see the first element..
Origin
Early 18th century; earliest use found in John Harris (c1666–1719), writer and lecturer on science. From pyramid + -oid, after post-classical Latin pyramidoides.
- polymerase chain reaction
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