metallic-line
Astronomy
adjective
Designating a main-sequence star whose spectrum shows unusually strong absorption lines for many of the heavier elements, including rare earths.
Origin
1940s.
| 单词 | metallic-line |
| 释义 | metallic-lineAstronomy adjective Designating a main-sequence star whose spectrum shows unusually strong absorption lines for many of the heavier elements, including rare earths. Origin |
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