Online Google Dictionary

arcus 中文解釋 wordnet sense Collocation Usage Collins Definition
  1. a whitish deposit in the shape of an arc that is sometimes seen in the cornea
  2. Arcuş (Árkos, Hungarian pronunciation) is a commune in Covasna County, Romania. It became an independent commune when it split from Valea Crişului in 2004. The commune has an absolute Székely Hungarian majority. For demographics see Valea Crişului.
  3. Arcus AS is Norway's largest wholesaler of wine and liquor. It was cretated when it was demerged from the state owned wine and liquor retailer Vinmonopolet on January 1, 1996 to differ between the retailing, kept in Vinmonopolet, and the import, export, production and storage that was ...
  4. A white band of cholesterol that forms at the edge of the cornea; A low, horizontal cloud typically forming at the leading edge of thunderstorm outflow; An elastic band around the base of the arolium, a pad at the end of the leg of certain insects; An arc-shaped band of thickened sexine ...
  5. A low, horizontal cloud formation associated with the leading edge of thunderstorm outflow (i.e., the gust front). Roll clouds and shelf clouds both are types of arcus clouds.
  6. (pl. arcus, adj. arcuate) (Erdtman, 1947)
  7. An opaque arc or ring around the peripheral cornea, this represents fatty or oily deposits in the cornea. It is usually seen in elderly people and is called arcus senilis. Arcus juvenilis is seen in people younger than 40 and often indicates high levels of cholesterol in the blood.
  8. Latin an arch, Latin arcuatum = curved or arched.
  9. a harmless opaque, cloudy ring or arc in the corneal periphery, most often seen in aged persons (arcus senilis) but not uncommonly in middle aged and younger persons (arcus juvenalis); due to the deposition of fat granules in the cornea or to hyaline degeneration; may indicate elevated blood ...
  10. Also known as arcus senilis.  This refers to peripheral clouding of the cornea due to lipid (cholesterol) near the limbus in what would normally be clear stroma.  The density may make it difficult to determine the depth of the arcus.  It generally causes peripheral clouding.
  11. (arc) (bow) often called roll or shelf cloud: A dense, horizontal roll with more or less tattered edges, situated on the lower front part of certain clouds and having, when extensive, the appearance of a dark, menacing arc. ...
  12. A shelf cloud that is arched, dense, and occurs near the leading edge of a thunderstorm gust front due to warm, stable airflow..