Definitions for octantˈɒk tənt

This page provides all possible meanings and translations of the word octant

Random House Webster's College Dictionary

oc•tantˈɒk tənt(n.)

  1. the eighth part of a circle.

    Category: Math

  2. any of the eight parts into which three mutually perpendicular planes divide space.

    Category: Math

  3. an instrument having an arc of 24°, used by navigators for measuring angles up to 90°.

    Category: Surveying

  4. the position of one heavenly body when 45° distant from another.

    Category: Astronomy

Origin of octant:

1680–90; < L octant-, s. of octāns=oct(ō)eight+-āns, as in quadrānsquadrant

oc•tan′tal-ˈtæn tl(adj.)

Princeton's WordNet

  1. octant(noun)

    a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration

Wiktionary

  1. octant(Noun)

    The eighth part of a circle; an arc of 45 degrees.

  2. octant(Noun)

    : The eighth part of a disc; a sector of 45 degrees; half a quadrant.

  3. octant(Noun)

    : An instrument for measuring angles, particularly of elevation.

  4. Origin: From octans

Freebase

  1. Octant

    Traditionally wind direction is given as one of the 8 octants because that is more precise than merely giving one of the 4 quadrants, and the wind vane typically does not have enough accuracy to bother with more precise indication.

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