adjective, sol·id·er, sol·id·est.
- solicitor general,
- solid angle,
- solid fuel,
- solid geometry,
- solid injection,
- solid of revolution
Origin of solid
Examples from the Web for unsolid
And who does not know that to be a poor, unsolid fiction,––a weak and hollow sham?Leading Articles on Various Subjects|Hugh Miller
- a closed surface in three-dimensional space
- such a surface together with the volume enclosed by it
Word Origin for solid
late 14c., "not empty or hollow," from Old French solide "firm, dense, compact," from Latin solidus "firm, whole, undivided, entire," figuratively "sound, trustworthy, genuine," from PIE *sol-ido-, suffixed form of root *sol- "whole" (cf. Greek holos "whole," Latin salus "health," salvus "safe;" see safe (adj.)).
Meaning "firm, hard, compact" is from 1530s. Meaning "entirely of the same stuff" is from 1710. Of qualities, "well-established, considerable" c.1600. As a mere intensifier, 1830. Slang sense of "wonderful, remarkable" first attested 1920 among jazz musicians. As an adverb, "solidly, completely," 1650s. Solid South in U.S. political history is attested from 1858. Solid state as a term in physics is recorded from 1953; meaning "employing solid transistors (as opposed to vacuum tubes)" is from 1959. Related: Solidly.