planetologistn.
/ˌplanᵻˈtɒlədʒɪst/, U.S. /ˌplænəˈtɑlədʒəst/ Astronomy.
An expert in or student of planetology.
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planetologist1928
1928 Funk & Wagnalls New Standard Dict. Eng. Lang. at Planetology Planetologist.
1966 Ann. N.Y. Acad. Sci. 140 289 For the planetologist, it seems very important to be able to measure, even approximately, the relative amounts of oxygen, silicon, and aluminum in the surface layers of the planets.
1975 Nature 7 Aug. 455/3 The development of a cratering chronology was one of the principal challenges to comparative planetologists studying impact bombardment of the terrestrial planets.
1993 Guardian 20 May ii. 12/3 Planetologists like the very slow kind [of terraforming process], which is similar to the natural evolution of the planets they study.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1928