Equatorial

'Equatorial'

[equatorial.n.01] as in: a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it

'Equatorial'

[equatorial.a.01] as in: of or relating to or at an equator

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Examples:
equatorial diameter

'Equatorial'

[equatorial.a.02] as in: of or relating to conditions at the geographical equator

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Examples:
equatorial heat

'Equatorial'

[equatorial.a.03] as in: of or existing at or near the geographic equator

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Examples:
equatorial Africa