semimajor axis

See also: semi-major axis

English

Alternative forms

semi-major axis

Etymology

From semi- +‎ major axis.

Noun

semimajor axis (plural semimajor axes)

(geometry) Half of the major axis of a circle or ellipse.
Coordinate term: semiminor axis
(geometry) Half of the distances between the two branches of a hyperbola.

Translations

half of the major axis of a circle or ellipse

Chinese:
Mandarin: 半長軸／半长轴 (zh) (bànchángzhóu)
French: demi-grand axe (fr) m
German: Ellipsenhalbachse f, Halbachse f der Ellipse
Japanese: 半長軸 (はんちょうじく, hanchōjiku)
Turkish: ana eksen, büyük eksen

half of the distances between the two branches of a hyperbola

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