Etymology
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solidity (n.)

late 14c., solidite, "firmness, hardness," from Old French solidite (Modern French solidité) or directly from Latin soliditatem (nominative soliditas) "solidness, firmness, a solid mass," from solidus "firm, whole, undivided" (see solid (adj.)). The meaning "state or quality of being materially solid" is from c. 1600.

updated on March 04, 2023

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