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.
Definition. Free voice over internet protocol (VOIP) service that allows users to communicate across an internet connection by combining voice, video, and instant messaging. The service was released to the public late in 2003 and purchased by eBay in 2005 for $2.6 billion. Skype has grown to be the most popular VOIP service in the world and serves millions of users each day.