U : adj : (chiefly British) of or appropriate to the upper classes
especially in language use
(noun)
1: a nitrogen-containing base found in RNA (but not in DNA) and
derived from pyrimidine; pairs with adenine [syn: uracil,
U]
2: a heavy toxic silvery-white radioactive metallic element;
occurs in many isotopes; used for nuclear fuels and
nuclear weapons [syn: uranium, U, atomic number 92]
3: the 21st letter of the Roman alphabet [syn: U]
Based on WordNet 2.0
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Molt \Molt\, Moult \Moult\, v. i. [imp. & p. p. Molted or
Moulted; p. pr. & vb. n. Molting or Moulting.] [OE.
mouten, L. mutare. See Mew to molt, and cf. Mute, v. t.]
[The prevalent spelling is, perhaps, moult; but as the u
has not been inserted in the otherwords of this class, as,
bolt, colt, dolt, etc., it is desirable to complete the
analogy by the spelling molt.]
To shed or cast the hair, feathers, skin, horns, or the like,
as an animal or a bird. --Bacon.
Based on Webster's Revised Unabridged Dictionary
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U : \U\ ([=u]),
the twenty-first letter of the English alphabet, is a cursive
form of the letter V, with which it was formerly used
interchangeably, both letters being then used both as vowels
and consonants. U and V are now, however, differentiated, U
being used only as a vowel or semivowel, and V only as a
consonant. The true primary vowel sound of U, in Anglo-Saxon,
was the sound which it still retains in most of the languages
of Europe, that of long oo, as in tool, and short oo, as in
wood, answering to the French ou in tour. Etymologically U is
most closely related to o, y (vowel), w, and v; as in two,
duet, dyad, twice; top, tuft; sop, sup; auspice, aviary. See
V, also O and Y. See Guide to Pronunciation, [sect][sect]
130-144.
Based on Webster's Revised Unabridged Dictionary
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u- pref. Written shorthand for micro-; techspeak when applied to
metric units, jargon when used otherwise. Derived from the Greek letter
"mu", the first letter of "micro" (and which letter looks a lot like the
English letter "u").
Based on Webster's Revised Unabridged Dictionary (1913)
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