bullate adjective 3noun 1forms 3 adjective3 •Resembling a bulla or blister; inflated; blistered; bulliform. •Of bacterial cultures, having a growth which is blistered; rising in convex prominences. •Having arched leaf tissue between each lateral vein, so that the veins appear depressed in the leaf surface. noun1 •(no longer used, rare) A kind of metal, bullet-iron.They [the Tartar] […] preferre brasse and steele before other mettals specially bullate, which they use for swords, knives, and other necessaries. — 1591 formsbullates · more bullate · most bullate