Of a purple colour.

(chemistry) A salt of purpuric acid.

plural of purpurate

(heraldry) A purple colour on a coat of arms, represented in engraving by diagonal parallel lines 45 degrees clockwise.

(heraldry) In blazon, of the colour purple.

(medicine) purple (of spots which appear on the skin); pertaining to or affected with purpura

(literary, poetic) Of a purple colour.

(archaic) Purple. / (medicine, archaic) Of or relating to purpura.

Misspelling of purpureal. / Misspelling of puerperal.

(chemistry) C₈H₅N₅O₆, a nitrogenous acid that yields alloxan and uramil when hydrolysed, known for its purple salts.