- a central line that bisects a two-dimensional body or figure.
- a line about which a three-dimensional body or figure is symmetrical.
- a central or principal structure, about which something turns or is arranged: the skeletal axis.
- the second cervical vertebra.
Origin of axis1
OTHER WORDS FROM axisax·ised [ak-sist], /ˈæk sɪst/, adjectiveun·ax·ised, adjective
Words nearby axis
Other definitions for axis (2 of 2)
Origin of axis2
How to use axis in a sentence
Like Copernicus’ heliocentric model of the solar system, sometimes revolutions occur by a simple shift in the axis of rotation.
The neuro-endocrine signals involved form the HPA axis, short for hypothalamic-pituitary-adrenal.Puberty can repair the brain’s stress responses after hardship early in life|Esther Landhuis|August 28, 2020|Science News
Al-Battani Island’s major axis was 3 miles long, while its minor axis was 2 miles long.
It didn’t cover the entire major axis, because when it got too close to the endpoints, there was only a single point of tangency.
Al-Battani Island’s major axis is 3 miles long, while its minor axis is 2 miles long.
This could shift global media decision-making from its familiar New York-Los Angeles axis to the Bay Area.Battle of the Upstarts: Houston vs. San Francisco Bay|Joel Kotkin|October 5, 2014|DAILY BEAST
Six years later, after one more dance with FDR, Kansans returned to their normal political axis.A Loss by Pat Roberts in Kansas? Actually, Not So Bizarre|Jeff Greenfield|October 3, 2014|DAILY BEAST
For Reagan the “evil empire” was the Soviet Union; for George W. Bush, there was an “axis of Evil.”
The HPA axis is a circuit between your brain, your hormone glands, and the rest of your body.
Seasons on Earth and Titan are both due to the tilt of their axis—the way the North Pole faces—relative to their orbit.
The long axis of the hip-roof crystal is often so shortened that it resembles the envelop crystal of calcium oxalate.A Manual of Clinical Diagnosis|James Campbell Todd
Cassini observed, by the position of certain spots, the revolution of the planet Venus on its axis.The Every Day Book of History and Chronology|Joel Munsell
The same would be the case if the polar axis of one sphere stood precisely at right angles to that of the other.
Thus the wide habitability of the earth is an effect arising from the inclination of its polar axis.
On this account the suggested alterations of the axis should not be taken as other than imaginary changes.
British Dictionary definitions for axis (1 of 3)
Word Origin for axis
British Dictionary definitions for axis (2 of 3)
Word Origin for axis
British Dictionary definitions for axis (3 of 3)
- the Axis the alliance of Nazi Germany, Fascist Italy, and Japan, established in 1936 and lasting until their defeat in World War II
- (as modifier)the Axis powers
Medical definitions for axis
Scientific definitions for axis
- A line, ray, or line segment with respect to which a figure or object is symmetrical.
- A reference line from which distances or angles are measured in a coordinate system, such as the x-axis and y-axis in the Cartesian coordinate system.