polar axis (English, noun)
expansion: polar axis (plural polar axes)
Senses:
topics: astronomy
natural-sciences
glosses: Of an equatorial mounting, the axis of rotation that is positioned parallel to the axis of the Earth, allowing a telescope to be turned in an hour angle or a right ascension.
topics: mathematics
sciences
glosses: A fixed line, usually horizontal, used in polar coordinates and from which an angle coordinate is measured.
Forms:
form: polar axes
tags: plural