# axis

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## Axis

Axis, coalition of countries headed by Germany, Italy, and Japan, 1936–45 (see World War II). The expression “Rome-Berlin axis” originated in Oct., 1936, with an accord reached by Hitler and Mussolini. The Axis was solidified by an Italo-German alliance in May, 1939. This was extended (Sept., 1940) by a military alliance among Germany, Italy, and Japan—the so-called Berlin Pact, to which Hungary, Romania, Bulgaria, Slovakia, and Croatia adhered later. The related Anti-Comintern Pact (see Comintern), originally concluded between Germany and Japan in 1936, later had as adherents, besides the Berlin Pact nations, Spain, Denmark, Finland, and the puppet governments of Manchukuo and Nanjing.

## axis

1. An imaginary line that usually passes through the center of a body or system and about which the body is often symmetrical or has some form of symmetry. It is the imaginary line about which a rotating body turns or about which an object, such as the celestial sphere, appears to rotate.
2. A reference line on a graph.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

## Axis

An imaginary straight line, about which parts of a building, or group of buildings, can be arranged or measured.

## axis

[′ak·səs]
(anatomy)
The second cervical vertebra in higher vertebrates; the first vertebra of amphibians.
The center line of an organism, organ, or other body part.
(geology)
A line where a folded bed has maximum curvature.
The central portion of a mountain chain.
(graphic arts)
The locus of intersection of two pencils of lines in perspective position.
(mathematics)
In a coordinate system, the line determining one of the coordinates, obtained by setting all other coordinates to zero.
A line of symmetry for a geometric figure.
For a cone whose base has a center, a line passing through this center and the vertex of the cone.
(mechanics)
A line about which a body rotates.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

## axis

A straight line indicating center of symmetry of a solid or plane figure.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

## Axis

in World War II, the affiance of Germany, Italy, Japan, etc., opposing the Allies. [Eur. Hist.: Collier’s, VIII, 457]

## axis

1
1. a real or imaginary line about which a body, such as an aircraft, can rotate or about which an object, form, composition, or geometrical construction is symmetrical
2. one of two or three reference lines used in coordinate geometry to locate a point in a plane or in space
3. Anatomy the second cervical vertebra
4. Botany the main central part of a plant, typically consisting of the stem and root, from which secondary branches and other parts develop
5. an alliance between a number of states to coordinate their foreign policy
6. Optics the line of symmetry of an optical system, such as the line passing through the centre of a lens
7. Geology an imaginary line along the crest of an anticline or the trough of a syncline
8. Crystallog one of three lines passing through the centre of a crystal and used to characterize its symmetry

## axis

2
any of several S Asian deer of the genus Axis, esp A. axis. They typically have a reddish-brown white-spotted coat and slender antlers
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
This study asserts that the ongoing 'axis shift' debate is at the very least groundless, provided Turkey's multi-dimensional and multi-layer foreign policy setup, implemented effectively during the AK Party's ruling term.
Pointing to the significance of Turkey's geopolitical position, Narin noted that Turkey could not neglect its relations with Arab countries due to such position, adding that discussions on "axis shift" were completely political.
As compression yielding occurred, the neutral axis shifted toward the tension face, and tension stresses continued to increase until failure occurred as a rupture in the tension zone.
He found that the day is shorter by 1.8 millionths of a second, and the Earth's axis shifted by 17 centimeters (6.5 inches).
For larger gatherings, the two side doors pivot open, and the axis shifts 90[degrees], as the entire chapel becomes a sanctuary and acoustic shell for up to 2,000 worshippers sitting in the quadrangle.
When the mass inside the Earth moves around, the planet may change the way it spins--in this case, the axis shifted by a bit.
The feet were flattened, bore large claws, and were more robust medially, features of a weight-bearing axis shifted towards the midline as in their giant near-descendants.
Its position just north of the Martian equator is exactly what would be expected as a result of the axis shifts. The volcano sits on a line between today's pole and the two former adjacent poles.
As the pregnancy advances, the heart's axis shifts more to the left.
The Magnus force and deflection of the pitch are reduced because the hand rolling over the ball produces a slow spin with the axis shifted toward the direction in which the ball is moving.

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