1. | Y, the twenty-fifth letter of the English alphabet, at the beginning of a word or syllable, except when a prefix (see Y-), is usually a fricative vocal consonant; as a prefix, and usually in the middle or at the end of a syllable, it is a vowel. See Guide to Pronunciation, 145, 178-9, 272. | |||||||
n. | 1. | (Railroads) Something shaped like the letter
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pron. | 1. | I. |
Noun | 1. | Y - a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys Synonyms: atomic number 39, yttrium |
2. | Y - the 25th letter of the Roman alphabet |