alcohol
n. வெறியம், சாராயச்சத்து, சர்க்கரைக் சலவைகளிலிருந்து வடித்தெடுக்கப்பட்ட வெறியச்சத்து, சாராயவகை, நீர்க்கரிமக் கலவைவகை.
Al"co*hol, n. Etym: [Cf. F. alcool, formerly written alcohol, Sp. alcohol alcohol, antimony, galena, OSp. alcofol; all fr. Ar. al-kohl a powder of antimony or galena, to paint the eyebrows with. The name was afterwards applied, on account of the fineness of this powder, to highly rectified spirits, a signification unknown in Arabia. The Sp. word has bot meanings. Cf. Alquifou.] 1. An impalpable powder. [Obs.] 2. The fluid essence or pure spirit obtained by distillation. [Obs.] Boyle. 3. Pure spirit of wine; pure or highly rectified spirit (called also ethyl alcohol); the spirituous or intoxicating element of fermented or distilled liquors, or more loosely a liquid containing it in considerable quantity. It is extracted by simple distillation from various vegetable juices and infusions of a saccharine nature, which have undergone vinous fermentation. Note: As used in the U. S. "Pharmacopoeia, alcohol contains 91 per cent by weight of ethyl alcohol and 9 per cent of water; and diluted alcohol (proof spirit) contains 45.5 per cent by weight of ethyl alcohol and 54.5 per cent of water. 4. (Organic Chem.) Defn: A class of compounds analogous to vinic alcohol in constitution. Chemically speaking, they are hydroxides of certain organic radicals; as, the radical ethyl forms common or ethyl alcohol (C2H5OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc.