Word Study
Eighteen
CIDE DICTIONARY
Eight and ten; as, eighteen pounds. [1913 Webster]
Eighteen, n.
- The number greater by a unit than seventeen; eighteen units or objects. [1913 Webster]
- A symbol denoting eighteen units, as 18 or xviii. [1913 Webster]
OXFORD DICTIONARY
Eighteen, n. & adj.
--n.
1 one more than seventeen, or eight more than ten; the product of two units and nine units.
2 a symbol for this (18, xviii, XVIII).
3 a size etc. denoted by eighteen.
4 a set or team of eighteen individuals.
5 (18) Brit. (of films) classified as suitable for persons of 18 years and over.
--adj. that amount to eighteen.
--n.
1 one more than seventeen, or eight more than ten; the product of two units and nine units.
2 a symbol for this (18, xviii, XVIII).
3 a size etc. denoted by eighteen.
4 a set or team of eighteen individuals.
5 (18) Brit. (of films) classified as suitable for persons of 18 years and over.
--adj. that amount to eighteen.
Derivative
eighteenth adj. & n.
Etymology
OE ehtatene, eaht-
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