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.
voâ¢liâ¢tion. 1. the act of willing, choosing, or resolving; exercise of the will: She left of her own volition. 2. the power of willing or choosing; will. 3. a choice or decision made by the will. volitiÅ, derivative of Latin vol-, variant s. of velle to want, wish (see will 1)]. voâ¢liâ²tionâ¢al, voâ¢liâ²tionâ¢ar`y, adj.