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单词 cometarium
释义

Definition of cometarium in English:

cometarium

noun ˌkɒmɪˈtɛːrɪəm
Astronomy historical
  • A mechanical device for demonstrating the appearance and motion of a comet moving in an elliptical orbit.

Origin

Mid 18th century; earliest use found in Benjamin Martin (bap. 1705, d. 1782), lecturer on science and maker of scientific instruments. From comet + -arium, after planetarium.

Definition of cometarium in US English:

cometarium

nounˌkɒmɪˈtɛːrɪəm
Astronomy historical
  • A mechanical device for demonstrating the appearance and motion of a comet moving in an elliptical orbit.

Origin

Mid 18th century; earliest use found in Benjamin Martin (bap. 1705, d. 1782), lecturer on science and maker of scientific instruments. From comet + -arium, after planetarium.

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更新时间:2024/12/26 14:37:13