octantal

oc·tant

O0027100 (ŏk′tənt)n.1. One eighth of a circle.2. a. A 45° arc.b. The area enclosed by two radii at a 45° angle and the intersected arc.3. An instrument based on the principle of the sextant but employing only a 45° angle, used as an aid in navigation.4. Astronomy The position of a celestial body when it is separated from another by a 45° angle.5. One of eight parts into which three-dimensional space is divided by three usually perpendicular coordinate planes.

[Latin octāns, octant-, from octō, eight; see oktō(u) in Indo-European roots.]

oc·tan′tal (ŏk-tăn′təl) adj.

octantal

(ɒkˈtæntəl) adj (Units) relating to an octant

单词	octantal
释义	octantal oc·tant O0027100 (ŏk′tənt)n.1. One eighth of a circle.2. a. A 45° arc.b. The area enclosed by two radii at a 45° angle and the intersected arc.3. An instrument based on the principle of the sextant but employing only a 45° angle, used as an aid in navigation.4. Astronomy The position of a celestial body when it is separated from another by a 45° angle.5. One of eight parts into which three-dimensional space is divided by three usually perpendicular coordinate planes. [Latin octāns, octant-, from octō, eight; see oktō(u) in Indo-European roots.] oc·tan′tal (ŏk-tăn′təl) adj. octantal (ɒkˈtæntəl) adj (Units) relating to an octant EncyclopediaSeeoctantThesaurusSeeoctant
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