 axis |
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| 1. | [ noun ] (geometry) a straight line through a body or figure that satisfies certain conditions | |
| Related terms: | line major_axis semiminor_axis minor_axis principal_axis semimajor_axis semi-major_axis coordinate_axis | |
| 2. | [ noun ] (anatomy,zoology) the 2nd cervical vertebra; serves as a pivot for turning the head | |
| Synonyms: | axis_vertebra | |
| Related terms: | cervical_vertebra odontoid_process | |
| 3. | [ noun ] a group of countries in special alliance | |
| Synonyms: | bloc | |
| Related terms: | alliance sterling_area | |
| 4. | [ noun ] (botany) the main stem or central part about which plant organs or plant parts such as branches are arranged | |
| Related terms: | stalk rachis spadix stele | |
| 5. | [ noun ] in World War II the alliance of Germany and Italy in 1936 which later included Japan and other nations | |
| Examples: | "the Axis opposed the Allies in World War II" |
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| Related terms: | alliance | |
| 6. | [ noun ] the center around which something rotates | |
| Synonyms: | axis_of_rotation | |
| Related terms: | mechanism rotor_head pivot | |
