asteroid


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as·ter·oid

 (ăs′tə-roid′)
n.
1. Astronomy Any of numerous small solar system bodies that revolve around the sun, with orbits lying chiefly between Mars and Jupiter and characteristic diameters roughly between one and several hundred kilometers. Also called minor planet, planetoid.
2. Zoology See starfish.
adj. also as·ter·oi·dal (ăs′tə-roid′l)
Star-shaped.

[From Greek asteroeidēs, starlike : astēr, star; see ster- in Indo-European roots + -oeidēs, -oid.]

asteroid

(ˈæstəˌrɔɪd)
n
1. (Celestial Objects) Also called: minor planet or planetoid any of numerous small celestial bodies that move around the sun mainly between the orbits of Mars and Jupiter. Their diameters range from 930 kilometres (Ceres) to less than one kilometre
2. (Zoology) Also called: asteroidean any echinoderm of the class Asteroidea; a starfish
adj
3. (Zoology) of, relating to, or belonging to the class Asteroidea
4. shaped like a star
[C19: from Greek asteroeidēs starlike, from astēr a star]

as•ter•oid

(ˈæs təˌrɔɪd)

n.
1. any of the thousands of small, solid bodies that revolve about the sun in orbits largely between Mars and Jupiter.
adj.
2. starlike.
[1795–1805; < Greek asteroeidḗs starry, starlike. See aster, -oid]
as`ter•oi′dal, adj.

as·ter·oid

(ăs′tə-roid′)
Any of numerous small, often irregularly shaped bodies that orbit the sun. Asteroids range from several hundred miles in diameter to the size of a speck of dust. ♦ Most are found in the region between the orbits of Mars and Jupiter known as the asteroid belt. See Note at solar system.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.asteroid - any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
Chiron - an asteroid discovered in 1977; it is unique in having an orbit lying mainly between the orbits of Saturn and Uranus
minor planet, planetoid - any of numerous small celestial bodies that move around the sun
Adj.1.asteroid - shaped like a starasteroid - shaped like a star      
angulate, angular - having angles or an angular shape

asteroid

noun planetoid, minor planet It's only a matter of time before a giant asteroid destroys the Earth.

Asteroids

Ceres, Eros, Hermes, Hesperia, Juno, Pallas, Phaethon
Translations
asteroidi

asteroid

[ˈæstərɔɪd] Nasteroide m

asteroid

[ˈæstərɔɪd] nastéroïde m

asteroid

nAsteroid m

asteroid

[ˈæstərɔɪd] nasteroide m
References in classic literature ?
Crew rescued by Planet liner Asteroid. Watched to water and pithed by Postal Packet, Dec.
A collision was possible, and might be attended with deplorable results; either the projectile would deviate from its path, or a shock, breaking its impetus, might precipitate it to earth; or, lastly, it might be irresistibly drawn away by the powerful asteroid. The president caught at a glance the consequences of these three hypotheses, either of which would, one way or the other, bring their experiment to an unsuccessful and fatal termination.
The asteroid passed several hundred yards from the projectile and disappeared, not so much from the rapidity of its course, as that its face being opposite the moon, it was suddenly merged into the perfect darkness of space.
Is he not the celebrated author of The Dynamics of an Asteroid, a book which ascends to such rarefied heights of pure mathematics that it is said that there was no man in the scientific press capable of criticizing it?
The lonely Earth amid the balls That hurry through the eternal halls, A makeweight flying to the void, Supplemental asteroid, Or compensatory spark, Shoots across the neutral Dark.
I should keep well within the limit of that early excess now, and should not liken the creation of Shakespeare to the creation of any heavenly body bigger, say, than one of the nameless asteroids that revolve between Mars and Jupiter.
The approaching asteroid has been identified by NASA's Center for Near Earth Object Studies (CNEOS) as (https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2019%20QE1;old=0;orb=0;cov=0;log=0;cad=1#cad) 2019 QE1 .
This asteroid was a five-day simulation created as an exercise for scientists attending the 2019 Planetary Defense Conference in Washington.
There are plans to obtain three samples from various locations on the asteroid. Two of the samples will be obtained through a sampling horn.
After an extensive study above the equator, the spacecraft landed on the asteroid will now retrieve a soil sample.
It is thought that an asteroid or a comet was responsible for the blast.
The team used a new search technique that also identified the oldest known asteroid family, which extends throughout the inner region of the main asteroid belt.