planetoidaladj.
/ˌplanᵻˈtɔɪdl/, U.S. /ˌplænəˈtɔɪd(ə)l/ 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