a. (Chem.) Pertaining to, or designating, an acid which is obtained as a white crystalline substance by the action of ammonia on pyrotartaric acid. [ 1913 Webster ]
English-Thai: HOPE Dictionary [with local updates] Hope Dictionary
(n) science and technology of electronic systems and devices for aeronautics and astronautics, Example:avionics has become even more important with the development of the space program