primary color for pigments is a noun meaning "any of three pigments from which all colors can be obtained by mixing". It carries one recorded sense.
any of three pigments from which all colors can be obtained by mixing
“the primary colors for pigments are red, blue, and yellow”
Definitions, synonyms and semantic relations for primary color for pigments come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.