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alt

[alt]Music.
adjective
  1. high.
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noun
  1. in alt, in the first octave above the treble staff.
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Origin of alt

1525–35; < Provençal < Latin altum, noun use of neuter of altus high

Alt key

[awlt]
noun Computers.
  1. either of two keys on a PC keyboard that is held down while pressing another key, as to perform a specific operation or type a special character.
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Origin of Alt key

First recorded in 1980–85
Also called Alt

alt-

  1. variant of alti- before a vowel: altazimuth.
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alt.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

Alt

Examples from the Web for alt

Contemporary Examples

Historical Examples

  • He was not beautiful, and his voice was three octaves above F in alt.

  • "'Alt, friends, while I 'as a look at you," said the sentry.

  • Whoever the war was between, and whatever it was about, Alt Breisach was bound to be in it.

    Three Men on the Bummel

    Jerome K. Jerome

  • "You whistled the octave of B. in alt," remarked Edith appreciatively.

    Dodo's Daughter

    E. F. Benson

  • It is only that in every human heart there is a chord that vibrates to C in alt.

    The Secret Life

    Elizabeth Bisland


British Dictionary definitions for alt

alt

adjective
  1. (esp of vocal music) high in pitch
  2. of or relating to the octave commencing with the G above the top line of the treble staff
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noun
  1. in alt in the octave directly above the treble staff
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Word Origin

C16: from Provençal, from Latin altus high, deep
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

alt in Medicine

ALT

(ā′ĕl-tē)
n.
  1. alanine aminotransferase
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.