Definition of Major axis

1. Noun. The longest axis of an ellipse or ellipsoid; passes through the two foci.

Generic synonyms: Axis
Terms within: Semimajor Axis

Definition of Major axis

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

2. Noun. (geometry) The diameter of a circle. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Major Axis

major
major(ip)
major-domo
major-general
major-generals
major-league
major-league club
major-league team
major-leaguer
major affective disorder
major agglutinin
major amblyoscope
major amputation
major arcana
major axes
major axis (current term)
major calices
major chord
major connector
major depression
major depressive episode
major diameter
major diatonic scale
major duodenal papilla
major element
major epilepsy
major fissure
major forceps
major general

Literary usage of Major axis

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Manual of Engineering Drawing for Students and Draftsmen by Thomas Ewing French (1918)
"Draw an ellipse having its major axis horizontal and a distance between ... Draw the left half of an ellipse with its major axis vertical and 2'/£" long. ..."

2. A Manual of Engineering Drawing for Students and Draftsmen by Thomas Ewing French (1918)
"Draw an ellipse having a major axis of 47f g" and distance between foci of 3^". 24. Draw an ellipse having its major axis horizontal and a distance between ..."

3. Bulletin by Louisiana Geological Survey (1907)
"... the uplift here recorded is elliptical dome-shaped, with the major axis running northeast-southwest; that this dome is fractured along its major axis, ..."

4. The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, Literature and (1910)
"Of practical importance are the following constructions:—(l) Given the axes; (a) given the major axis and the foci; ä) given the focus, eccentricity and ..."

5. An Introduction to Celestial Mechanics by Forest Ray Moulton (1914)
"Since the period depends upon the major axis alone, whose changes have been ... It follows from (1) that the major axis depends upon the speed at a given ..."

6. The Encyclopædia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"Of practical importance are the following constructions:—(l) Given the axes; (2) given the major axis and the foci; (3) given the focus, eccentricity and ..."

7. A Treatise on Infinitesimal Calculus: Containing Differential and Integral by Bartholomew Price (1857)
"Now the equation of an ellipse, where r = the focal radius vector, 6 is measured from the shortest segment of the major axis, 2 a = the major axis, ..."

8. Elements of Analytical Geometry and of the Differential and Integral Calculus by Elias Loomis (1864)
"The square of any ordinate is to the product of the parts into which it divides the major axis, as the square of the minor axis is to the square of the ..."

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