What's the difference between asteroid and meteoroid?

Asteroid


Definition:

  • (n.) A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and minor planets.

Example Sentences:

  • (1) Lipase from Geotrichum asteroides appears more resistant to high temperatures and pH changes than the enzyme from Penicillium sp.
  • (2) This strain of the organism fits a pattern of susceptibility that is rare among N asteroides isolates in general and has been called the type 5 pattern, described as a resistance to broad spectrum cephalosporins, ciprofloxacin, and all aminoglycosides except amikacin.
  • (3) Within 18-24 h asteroid bodies consisting of an amorphous centre with fine radiating needle crystals were seen.
  • (4) The study deals with the phagocytosis of Nocardia asteroides (strain Weipheld) and the subsequent intracellular proliferation in peritoneal macrophage cells.
  • (5) Chalky white colonies, 0.5 to 1.0 mm in diameter, that were subsequently identified as N. asteroides grew well on the BCYE media.
  • (6) This must be regarded as an antigen-antibody precipitate corresponding to the "asteroid body" of previous authors.
  • (7) All six N. brasiliensis and six N. otitidis-caviarum were susceptible to gentamicin and minocycline, while all 15 N. asteroides were not.
  • (8) Microtubules and centrioles were not found in asteroid bodies, although a centriolar field was present in 1 giant cell close to the plasma membrane, completely unrelated to the asteroid body.
  • (9) Complications are unusual, but of the ones that do occur, infection, particularly with Nocardia asteroides, and fibrosis are the most common.
  • (10) The somewhat fortuitous isolation of Nocardia asteroides and its significance are discussed.
  • (11) The pathogenicity of Nocardia asteroides and other strains of different Nocardia species against chicken embryos was investigated.
  • (12) An acute suppurative abscess characterizes the lesions of N. asteroides.
  • (13) The inner solar system is filled with dust between the planets, called the zodiacal cloud, which starts out at the asteroid belt and slowly drifts towards the sun.
  • (14) Ominously, researchers have already discovered that there must be ten times as many potentially dangerous asteroids out there with sizes of the order of tens of metres as previously thought.
  • (15) With N. asteroides, the direct plating method gave equivocal results.
  • (16) The organism identified as Nocardia asteroides resisted to sulfonamide and cotrimoxazole but sensitive to chloramphenicaol and streptomycin in vitro.
  • (17) These findings and clinical observations suggest that inhibition of N. asteroides by neutrophils may be important in vivo.
  • (18) Evidence for the possible developmental pathway of the Schaumann body is provided by morphological changes within myelinoid figures intimately related to the asteroid body.
  • (19) Two and one half years later N. asteroides pneumonia recurred and resulted in death from respiratory failure.
  • (20) The official citation for the asteroid reads: "Iain M. Banks (1954-2013) was a Scottish writer best known for the Culture series of science fiction novels; he also wrote fiction as Iain Banks.

Meteoroid


Definition:

  • (n.) A small body moving through space, or revolving about the sun, which on entering the earth's atmosphere would be deflagrated and appear as a meteor.

Example Sentences:

  • (1) (Some space watchers say an asteroid under 10 meters wide is technically a meteoroid.)