Definition of Semimajor axis

1. Noun. One-half the major axis of an ellipse; the distance from the center of an ellipse to one end.

Generic synonyms: Axis
Group relationships: Major Axis

Definition of Semimajor axis

1. Noun. (geometry) Half of the major axis of a circle or ellipse. ¹

2. Noun. (geometry) Half of the distances between the two branches of a hyperbola. ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Semimajor Axis

semilunar notch
semilunar nucleus of Flechsig
semilunar valve
semilunare
semilunary
semilunate
semilune
semilunes
semilustrous
semiluxation
semiluxurious
semiluxury
semimagnetic
semimajor
semimajor axes
semimajor axis
semimartingale
semimartingales
semimat
semimatt
semimatte
semimembranosus
semimembranosus reflex
semimembranous
semimetal
semimetallic
semimetallicity
semimetals
semimicro
semimild

Literary usage of Semimajor axis

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

1. Science and Industry (1899)
"Before the inside and outside curves can be drawn, it is further required to find the correct length of the semimajor axis. Take the length n' o' of the ..."

2. Coordinate Geometry by Henry Burchard Fine, Henry Dallas Thompson (1909)
"... semimajor axis)2' and the foci and directrices are found from CF = e (semimajor axis), (2) CD = (semimajor axis)/e. (3) Thus, X2/16 + ? ..."

3. Carpentry and Building (1908)
"The area of an ellipse is a mean proportional between the circumscribed and inscribed circles. Let я be the semimajor axis and Ъ the ..."

4. Publications of the Cincinnati Observatoryby Cincinnati Observatory (Ohio) by Cincinnati Observatory (Ohio) (1885)
"Of the new quantities introduced, a is the semimajor axis, e the eccentricity of the orbit of the nucleus, о the angle which the tangent makes with the ..."

5. New Analytic Geometry by Percey Franklyn Smith, Arthur Sullivan Gale (1912)
"... then JB^2 = a\ Hence the property : The distance from either focus to the end of the minor axis equals the semimajor axis. ..."

6. Coordinate Geometry by Henry Burchard Fine, Henry Dallas Thompson (1909)
"A'C = CA = a is called the semimajor axis. 92. The chord B'B through the center of the ellipse, and perpendicular to the major axis is called the minor axis ..."

7. Analytic Geometry: With Introductory Chapter on the Calculus by Claude Irwin Palmer, William Charles Krathwohl (1921)
"Find the equation of an ellipse with semimajor axis 5, semiminor axis 4, center at point (3, —2), and major axis parallel to the x-axis. ..."

8. Analytic Geometry: With Introductory Chapter on the Calculus by Claude Irwin Palmer, William Charles Krathwohl (1921)
"Find the equation of an ellipse with semimajor axis 5, semiminor axis 4, center at point (3, —2), and major axis parallel to the x-axis. ..."

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