a cardinal number, ten plus eight.
a symbol for this number, as 18 or XVIII.
a set of this many persons or things.
amounting to 18 in number.
the cardinal number that is the sum of ten and eight and the product of two and nine See also number (sense 1)
a numeral, 18, XVIII, etc, representing this number
the amount or quantity that is eight more than ten
something represented by, representing, or consisting of 18 units
(functioning as singular or pl) a team of 18 players in Australian Rules football
late 14c., eightene, earlier ahtene (c.1200), from Old English eahtatene, eahtatyne; see eight + -teen. Cf. Old Saxon ahtotian, Dutch achttien, Old High German ahtozehan, German achtzehn, Old Norse attjan, Swedish adertån.
[ey-teen-moh] /ˈeɪˈtin moʊ/ Bookbinding. noun, plural eighteenmos, adjective 1. . /ˈeɪˈtiːnməʊ/ noun (pl) -mos 1. Also called octodecimo. a book size resulting from folding a sheet of paper into 18 leaves or 36 pages Often written 18mo, 18° 2. a book of this size
[ey-teenth] /ˈeɪˈtinθ/ adjective 1. next after the seventeenth; being the ordinal number for 18. 2. being one of 18 equal parts. noun 3. an eighteenth part, especially of one (1/18). 4. the eighteenth member of a series. /ˈeɪˈtiːnθ/ adjective 1. (usually prenominal) noun 2. 3. the fraction that is equal to one divided by 18 […]
noun 1. an amendment to the U.S. Constitution, ratified in 1918, prohibiting the manufacture, sale, or transportation of alcoholic beverages for consumption: repealed in 1933.
[ey-teen-hwee-ler, -wee-] /ˈeɪ tinˈʰwi lər, -ˈwi-/ noun 1. a large tractor-trailer, usually having ten wheels on the cab and eight on the trailer. noun phrase A semitrailer truck; cab and trailer: The driver of the eighteen-wheeler to my left was wearing the uniform of the West Virginia Highway Patrol (1970s+ Citizens band)