WordReference Random House Unabridged Dictionary of American English © 2026
pri′mary qual′ity, [Epistemology.]
  1. Philosophyany of the qualities inherent in an object, namely quantity, extent, figure, solidity, and motion or rest. Cf. secondary quality. 
  • 1650–60

'primary quality' also found in these entries (note: many are not synonyms or translations):
secondary quality

Forum discussions with the word(s) "primary quality" in the title:


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