major axis

English

Noun

major axis (plural major axes)

1. (geometry) The longest diameter of an ellipse, running through the center and foci, with its ends being the widest points of the shape.
2. (geometry) The diameter of a circle.

Derived terms

• semimajor axis

Related terms

• minor axis

Translations

longest diameter of an ellipse

• Chinese:

  Mandarin: 長軸／长轴 (zh) (chángzhóu)

• Czech: hlavní osa f
• Finnish: isoakseli (fi)
• French: grand axe (fr) m
• German: Hauptachse f
• Hungarian: főtengely (hu)
• Irish: mór-ais f
• Japanese: 長軸 (ちょうじく, chōjiku)
• Russian: гла́вная ось f (glávnaja osʹ), больша́я ось f (bolʹšája osʹ)

diameter of a circle — see also diameter

• Finnish: halkaisija (fi)