Synonyms and Antonyms for semimajor-axis

1. semimajor axis (n.)

one-half the major axis of an ellipse; the distance from the center of an ellipse to one end

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2. x-axis (n.)

the horizontal axis in a plane coordinate system

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3. y-axis (n.)

the vertical axis in a plane coordinate system

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4. z-axis (n.)

the third axis in a 3-dimensional coordinate system

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5. axis (n.)

a straight line through a body or figure that satisfies certain conditions

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6. axis (n.)

the 2nd cervical vertebra; serves as a pivot for turning the head

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7. axis (n.)

the center around which something rotates

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8. Axis (n.)

in World War II the alliance of Germany and Italy in 1936 which later included Japan and other nations

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9. axis (n.)

a group of countries in special alliance

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10. axis (n.)

the main stem or central part about which plant organs or plant parts such as branches are arranged

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