Search nitrate nitrate /nī″trāt/ [Gk, nitron, soda] , 1. the ion NO3−. 2. a salt of nitric acid. Tweet Telegram VK Random Words myelocele antibiotic anticancer agent aldehyde packed cell volume (PCV) Category C Diseases/Agents Cimex lectularius holoblastic acute idiopathic polyneuritis polycystic kidney disease (PKD)