a simple form of brilliant cut, having eight facets above and eight facets below the girdle, as well as the table, and usually a culet.
[ey-teen] /ˈeɪˈtin/ noun 1. a cardinal number, ten plus eight. 2. a symbol for this number, as 18 or XVIII. 3. a set of this many persons or things. adjective 4. amounting to 18 in number. /ˈeɪˈtiːn/ noun 1. the cardinal number that is the sum of ten and eight and the product of two […]
[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ratified in 1918, prohibiting the manufacture, sale, or transportation of alcoholic beverages for consumption: repealed in 1933.