astrophysicist
n.
1869, usually hyphenated at first, from astro- + physicist. Astrophysics is recorded from 1877.
| 词汇 | astrophysicist |
| 词根词缀 | Online Etymology Dictionary astrophysicist n. 1869, usually hyphenated at first, from astro- + physicist. Astrophysics is recorded from 1877. |
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