| 单词 | axis |
| 释义 | Word Frequency axis 1(ˈæksɪs) nounWord forms: plural axes (ˈæksiːz) 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 Compare atlas (sense 3)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. Also called: principal axis 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. crystallography one of three lines passing through the centre of a crystal and used to characterize its symmetry Word origin C14: from Latin: axletree, earth's axis; related to Greek axōn axisWord Frequency axis 2(ˈæksɪs) nounWord forms: plural axises 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 Word origin C18: from Latin: Indian wild animal, of uncertain identityWord Frequency Axis(ˈæksɪs) noun the Axis |
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