The act or process of testing, esp. of analyzing or
examining metals and ores, to determine the proportion of pure metal.
1. (Zoöl.) (a) A genus of humming birds. It Formerly included all the known species. (b) Any one of several species of wrens and kinglets. [Obs.] (c) The crocodile bird. 2. (Arch.) An annular molding whose section is concave, like the edge of a pulley; ...
