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词汇 rational horizon
释义

Definition of rational horizon in English:

rational horizon

noun
Astronomy rare
  • A great circle of the celestial sphere that is parallel to the horizon and whose centre is the centre of the earth.

Origin

Late 16th century; earliest use found in Thomas Hill (b. c1528).

Definition of rational horizon in US English:

rational horizon

noun
Astronomy rare
  • A great circle of the celestial sphere that is parallel to the horizon and whose centre is the centre of the earth.

Origin

Late 16th century; earliest use found in Thomas Hill (b. c1528).

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