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octant

2 ENTRIES FOUND:
  1. octant (noun)
  2. bubble octant (noun)

oc·tant

noun \ˈäk-tənt\

Definition of OCTANT

1
: an instrument for observing altitudes of a celestial body from a moving ship or aircraft
2
: any of the eight parts into which a space is divided by three coordinate planes

Origin of OCTANT

Latin octant-, octans eighth of a circle, from octo
First Known Use: 1731

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