astroid

As a noun astroid

is (geometry) a hypocycloid with four cusps.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between astroid and planet

is that astroid is (geometry) a hypocycloid with four cusps while planet is .

As nouns the difference between astroid and meteors

is that astroid is (geometry) a hypocycloid with four cusps while meteors is .

As a noun astroid is

(geometry) a hypocycloid with four cusps.

In geometry terms the difference between star and astroid

is that star is a concave polygon with regular, pointy protrusions and indentations, generally with five or six points while astroid is a hypocycloid with four cusps.

As nouns the difference between star and astroid

is that star is any small luminous dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots while astroid is a hypocycloid with four cusps.

As a verb star

is to appear as a featured performer or headliner, especially in an entertainment program.

As a proper noun Star

is {{surname}.

As nouns the difference between astroid and stars

is that astroid is (geometry) a hypocycloid with four cusps while stars is .

As nouns the difference between meteor and astroid

is that meteor is any atmospheric phenomenon. (Thus the derivation of meteorology.) These were sometimes classified as aerial or airy meteors (winds), aqueous or watery meteors (hydrometeors: clouds, rain, snow, hail, dew, frost), luminous meteors (rainbows and aurora), and igneous or fiery meteors (lightning and shooting stars [next]) while astroid is a hypocycloid with four cusps.

As a verb meteor

is {{cx|intransitive|lang=en}} To move at great speed.

As nouns the difference between astroid and comet

is that astroid is a hypocycloid with four cusps while comet is a celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the Sun and having a "tail" of matter blown back from it by the solar wind as it approaches the Sun.

As nouns the difference between astroid and meteorite

is that astroid is a hypocycloid with four cusps while meteorite is a metallic or stony object or body that is the remains of a meteor.