Each molecule of water is made up of two hydrogen atoms bonded to one oxygen atom. In 1766, during an acid metal reaction, Henry Cavendish first formally recognized hydrogen. In 1781 he also found that hydrogen produces water when burned.
voe. 1  first-person singular present subjunctive of. 2  third-person singular present subjunctive of.
Full Definition of VOCATION. 1. a: a summons or strong inclination to a particular state or course of action; especially: a divine call to the religious life b: an entry into the priesthood or a religious order. 2.a: the work in which a person is employed: occupation b: the persons engaged in a particular occupation. 3.he Latin word vox, meaning â voice, â and the related word vocÄre, meaning â to call â , give us the root voc or vok. Words from the Latin vox or vocÄre have something to do with the voice or with calling. Anything voc al is produced by the voice. A voc ation is the work that someone is called to do as a job.