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1. Y
Informal. the YMCA, YWCA, YMHA, or YWHA.
2. Y
the 25th in order or in a series.
3. Y
(sometimes l.c.) Elect. admittance.
4. Y
Chem. yttrium.
5. Y
Biochem. tyrosine.
6. y
an unknown quantity or a variable.
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| Definition of 'Y' |
Princeton's WordNet |
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1. (noun) yttrium, Y, atomic number 39
a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
2. (noun) Y, y, wye
the 25th letter of the Roman alphabet
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| Definition of 'Y' |
Webster Dictionary |
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1. (noun) Y
something shaped like the letter Y; a forked piece resembling in form the letter Y
2. (noun) Y
one of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye
3. (noun) Y
a forked or bifurcated pipe fitting
4. (noun) Y
a portion of track consisting of two diverging tracks connected by a cross track
5. Y
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
6. Y
i
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Definitions of Y 
