English
fluoroid
From fluor + -oid.
The story
The shape is a common form of fluorite.
Today it means
noun A tetrakis hexahedron.
Language periods are conventional ranges, not dates for this word.
Etymograph / fluoroid
English
From fluor + -oid.
The shape is a common form of fluorite.
noun A tetrakis hexahedron.
Language periods are conventional ranges, not dates for this word.
Etymograph / fluoroid