Meaning

(geometry) An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry)..

Definitions by Sense

1. (geometry) An imaginary line around which an object spins (an axis of rotation) or is symmetrically arranged (an axis of symmetry).
2. (mathematics) A fixed one-dimensional figure, such as a line or arc, with an origin and orientation and such that its points are in one-to-one correspondence with a set of numbers; an axis forms part of the basis of a space or is used to position and locate data in a graph (a coordinate axis)
3. (anatomy) The second cervical vertebra of the spine
4. (anatomy) An imaginary, visualized plane separating two morphologically similar parts of an organism
5. (psychiatry) A form of classification and descriptions of mental disorders or disabilities used in manuals such as the DSM (Diagnostic and Statistical Manual of Mental Disorders)
6. (botany) The main stem or central part about which organs or plant parts such as branches are arranged
7. (military) An alliance or coalition.
8. (figurative) The centre of attention within a process (e.g. the axis of investigation)

Example Sentences

The Earth rotates once a day on its axis

A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place.

This Berlin-Rome vertical line is not an obstacle but rather an axis around which can revolve all those European states with a will to collaboration and peace.

Word Forms

• axes
• axiis
• axises

Synonyms for axis

Related Words

When Should You Use Axis?

Use axis when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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