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词汇 subdwarf
释义

Definition of subdwarf in English:

subdwarf

noun ˈsʌbdwɔːf

  • 1A tree, especially a cultivar, that is smaller than a size regarded as dwarf. Compare "dwarf". rare.

  • 2Astronomy. A star which lies just below the main sequence on the Hertzsprung–Russell diagram, being less luminous than main sequence stars of the same temperature or spectral type.

Origin

Early 20th century; earliest use found in Bulletin Natal Department Agriculture. From sub- + dwarf.

Definition of subdwarf in US English:

subdwarf

nounˈsʌbdwɔːf

  • 1A tree, especially a cultivar, that is smaller than a size regarded as dwarf. Compare "dwarf". rare.

  • 2Astronomy. A star which lies just below the main sequence on the Hertzsprung–Russell diagram, being less luminous than main sequence stars of the same temperature or spectral type.

Origin

Early 20th century; earliest use found in Bulletin Natal Department Agriculture. From sub- + dwarf.
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