Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of eighteen is as below...

Kilderkin :: Kilderkin (n.) A small barrel; an old liquid measure containing eighteen English beer gallons, or nearly twenty-two gallons, United States measure..

Octodecimo :: Octodecimo (a.) Having eighteen leaves to a sheet; as, an octodecimo form, book, leaf, size, etc..

Quintilllion :: Quintilllion (n.) According to the French notation, which is used on the Continent and in America, the cube of a million, or a unit with eighteen ciphers annexed; according to the English notation, a number produced by involving a million to the fifth power, or a unit with thirty ciphers annexed. See the Note under Numeration..

Eighteenmo :: Eighteenmo (a. & n.) See Octodecimo.

Eighteen :: Eighteen (n.) A symbol denoting eighteen units, as 18 or xviii..

Macaw :: Macaw (n.) Any parrot of the genus Sittace, or Macrocercus. About eighteen species are known, all of them American. They are large and have a very long tail, a strong hooked bill, and a naked space around the eyes. The voice is harsh, and the colors are brilliant and strongly contrasted..

Fungia :: Fungia (n.) A genus of simple, stony corals; -- so called because they are usually flat and circular, with radiating plates, like the gills of a mushroom. Some of them are eighteen inches in diameter..

Melpomene :: Melpomene (n.) The eighteenth asteroid.

Asterolepis :: Asterolepis (n.) A genus of fishes, some of which were eighteen or twenty feet long, found in a fossil state in the Old Red Sandstone..

Mangostan :: Mangostan (n.) A tree of the East Indies of the genus Garcinia (G. Mangostana). The tree grows to the height of eighteen feet, and bears fruit also called mangosteen, of the size of a small apple, the pulp of which is very delicious food..

Crocodile :: Crocodile (n.) A large reptile of the genus Crocodilus, of several species. They grow to the length of sixteen or eighteen feet, and inhabit the large rivers of Africa, Asia, and America. The eggs, laid in the sand, are hatched by the sun's heat. The best known species is that of the Nile (C. vulgaris, or C. Niloticus). The Florida crocodile (C. Americanus) is much less common than the alligator and has longer jaws. The name is also sometimes applied to the species of other related genera, as th

#NAME? :: -mo () A suffix added to the names of certain numerals or to the numerals themselves, to indicate the number of leaves made by folding a sheet of paper; as, sixteenmo or 16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often used for -mo; as, 16¡, 18¡, etc..

Jararaca :: "Jararaca (n.) A poisonous serpent of Brazil (Bothrops jararaca), about eighteen inches long, and of a dusky, brownish color, variegated with red and black spots..

Nineteenth :: Nineteenth (n.) The next in order after the eighteenth.

Trillion :: Trillion (n.) According to the French notation, which is used upon the Continent generally and in the United States, the number expressed by a unit with twelve ciphers annexed; a million millions; according to the English notation, the number produced by involving a million to the third power, or the number represented by a unit with eighteen ciphers annexed. See the Note under Numeration..

Sandemanian :: Sandemanian (n.) A follower of Robert Sandeman, a Scotch sectary of the eighteenth century. See Glassite..

Eighteenth :: Eighteenth (n.) The quotient of a unit divided by eighteen; one of eighteen equal parts or divisions.

Macco :: Macco (n.) A gambling game in vogue in the eighteenth century.

Nineteen :: Nineteen (n.) The number greater than eighteen by a unit; the sum of ten and nine; nineteen units or objects.

Octodecimo :: Octodecimo (n.) A book composed of sheets each of which is folded into eighteen leaves; hence; indicating more or less definitely a size of book, whose sheets are so folded; -- usually written 18mo or 18¡, and called eighteenmo..

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