alt

/AA1 L T/
noun
  1. 1

    High pitch, of a voice or instrument; especially, the octave above the top line of the treble stave.

  2. 2

    A state of excitement, a heightened emotional condition.

noun
  1. 1

    An alternate or secondary character.

  2. 2

    An alternate account.

  3. 3

    An alternative investment or alternative fund.

    โ€œliquid altsโ€

adjective
  1. 1

    Happening by turns; one following the other in succession of time or place; first one and then the other (repeatedly)

    โ€œalternate picking is a guitar playing techniqueโ€

  2. 2

    Designating the members in a series, which regularly intervene between the members of another series, as the odd or even numbers of the numerals; every other; every second.

    โ€œthe alternate members 1, 3, 5, 7, etc.โ€

  3. 3

    Other; alternative.

    โ€œHe lives in an alternate universe and an alternate reality.โ€

  4. 4

    (of leaves) Distributed singly at different heights of the stem, and at equal intervals as respects angular divergence.

    โ€œMany trees have alternate leaf arrangement (e.g. birch, oak and mulberry).โ€

adjective
  1. 1

    Relating to a choice between two or more possibilities.

    โ€œan alternative propositionโ€

  2. 2

    Other; different from something else.

  3. 3

    Not traditional, outside the mainstream, underground.

  4. 4

    Alternate, reciprocal.

noun
  1. 1

    The absolute height of a location, usually measured from sea level.

    โ€œAs the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.โ€

  2. 2

    A vertical distance.

  3. 3

    The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.

    โ€œThe perpendicular height of a triangle is known as its altitude.โ€

  4. 4

    The angular distance of a heavenly body above our Earth's horizon.

  5. 5

    Height of rank or excellence; superiority.

  6. 6

    (in the plural) Elevation of spirits; heroics; haughty airs.

  7. 7

    Highest point or degree.

Source: https://en.wiktionary.org/wiki/alt