The branch of astronomy concerned with comets; cometology. Also: a treatise on comets.
| 单词 | θ1318 |
| 释义 | the world > the universe > cosmology > astronomy > comet > [noun] (3) cometography1619 The branch of astronomy concerned with comets; cometology. Also: a treatise on comets. cometology1640 The branch of astronomy concerned with comets. Cf. cometography, n. Subcategories:— person (1) |
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