planetoidaladj.

Brit.

/ˌplanᵻˈtɔɪdl/, U.S.

/ˌplænəˈtɔɪd(ə)l/

Origin: Formed within English, by derivation. Etymons: planet n., -oidal suffix.

Etymology: < planet n. + -oidal suffix, after planetoid n. Compare slightly later planetoid adj.

Astronomy.

Of, relating to, or of the nature of a minor planet or asteroid.

ΘΚΠ

the world > the universe > planet > primary planet > minor planet or asteroid > [adjective]

asteroidical1802

exzodiacal1803

planetoidal1854

planetoid1856

asteroidal1868

1854 Proc. Royal Soc. 7 575 He has greatly improved our knowledge of the motions of the other members of the planetoidal group, by similar discussions, in each case, of all available data.

1881 R. A. Proctor Poetry of Astron. x. 362 Jupiter's action on the planetoidal ring.

1943 Sci. Monthly Mar. 264/2 How large are the bodies that compose these swarms [of comets] is not known, but we may assume that those of planetoidal dimensions are rare.

1983 Science 2 Dec. 1016/3 This highly differentiated meteorite can have formed only by igneous processes, in a planetoidal body, not in interstellar space.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	planetoidal
释义	planetoidaladj. Brit. /ˌplanᵻˈtɔɪdl/, U.S. /ˌplænəˈtɔɪd(ə)l/ Origin: Formed within English, by derivation. Etymons: planet n., -oidal suffix. Etymology: < planet n. + -oidal suffix, after planetoid n. Compare slightly later planetoid adj. Astronomy. Of, relating to, or of the nature of a minor planet or asteroid. ΘΚΠ the world > the universe > planet > primary planet > minor planet or asteroid > [adjective] asteroidical1802 exzodiacal1803 planetoidal1854 planetoid1856 asteroidal1868 1854 Proc. Royal Soc. 7 575 He has greatly improved our knowledge of the motions of the other members of the planetoidal group, by similar discussions, in each case, of all available data. 1881 R. A. Proctor Poetry of Astron. x. 362 Jupiter's action on the planetoidal ring. 1943 Sci. Monthly Mar. 264/2 How large are the bodies that compose these swarms [of comets] is not known, but we may assume that those of planetoidal dimensions are rare. 1983 Science 2 Dec. 1016/3 This highly differentiated meteorite can have formed only by igneous processes, in a planetoidal body, not in interstellar space. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < adj.1854
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