astroid

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astroid

(ˈæstrɔɪd)
n
(Mathematics) maths a hypocycloid having four cusps
[C19: from astro- + -oid]
References in periodicals archive ?
8220;People will find in the very near future, that astroids, space mining, Mars habitation or any other human manned space pursuit cannot happen without first establishing a firm presence on our Moon.
For more detailed information about comets, astroids, and trans-Neptunian objects, which make up the heart of my research, I contact the Minor Planet Center at Harvard.