Online Google Dictionary

comas 中文解釋 wordnet sense Collocation Usage Collins Definition
Noun
/ˈkōmə/,
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comas, plural;
  1. A state of deep unconsciousness that lasts for a prolonged or indefinite period, caused esp. by severe injury or illness
    • - a road crash left him in a coma
    • - a victim of a legislative coma
  1. (coma) a state of deep and often prolonged unconsciousness; usually the result of disease or injury
  2. (coma) (botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
  3. (coma) (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed
  4. The Comas are an indie rock band, formed in Chapel Hill, North Carolina by Andy Herod in March 1998. Through four albums, they have evolved into a dynamic rock band. ...
  5. (Coma) In medicine, a coma (from the Greek koma, meaning deep sleep) is a profound state of unconsciousness. ...
  6. (Coma (band)) Coma is a Polish rock band which was founded in June 1998 in Łódź. Their first achievement was a single Skaczemy / Pasażer. In the end of 2003 they signed with BMG Poland what allowed them to record their first album Pierwsze wyjście z mroku (First emergence from darkness). ...
  7. (Coma (movie)) Coma is a 1978 suspense film based on the novel of the same name by Robin Cook. The film rights were acquired by director Michael Crichton, and the movie was produced by Martin Erlichmann for Metro-Goldwyn-Mayer. ...
  8. (Coma (novel)) Coma is Robin Cook's first published novel, written in 1977. The book was a New York Times best seller and was also voted as the number one thriller of the year by the New York Times.
  9. (Coma (optics)) In optics (especially telescopes), the coma (aka comatic aberration) in an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components which results in off-axis point sources such as stars appearing distorted. ...
  10. (coma) A state of sleep from which one may not wake up, usually induced by some form of trauma
  11. (Coma) One of the most common aberrations inherent in large-aperture, short-focal-length reflectors. Star images become increasingly comet-like or pear shaped away from the center of the field. Good optical alignment can mitigate some coma. ...
  12. (coma) The state of unconsciousness in which patients lie unresponsive with the eyes closed.
  13. (coma) a sleep-like state in which a person is not conscious. May be caused by hyperglycemia (high blood glucose) or hypoglycemia (low blood glucose) in people with diabetes.
  14. (coma) A spherical cloud of material surrounding the head of a comet. This material is mostly gas that the Sun has caused to boil off the comet’s icy nucleus. This gas shines both by reflected sunlight and light emitted by excited molecules. ...
  15. (coma (KOH-muh)) A condition in which a patient is in a state of deep sleep and cannot be awakened. A coma may be caused by many things, including trauma, drugs, toxins, or certain diseases.
  16. (Coma) A state of unconsciousness from which the patient cannot be aroused, even by powerful stimulation.
  17. (Coma) A tuft of hairs attached to a seed.
  18. (COMA) Committee on Medical Aspects of Nutrition (abolished 2000)
  19. (Coma) An area of dust or gas surrounding the nucleus of a comet.
  20. (Coma) A state of profound unconsciousness in which a person cannot open eyes, obey commands or speak words that can be understood.
  21. (Coma) loss of consciousness from any cause. In diabetes may result from either very high or very low blood glucose levels
  22. A coma is a sleep like state when someone is unconscious for a long period of time.
  23. (coma) state of unarousable unresponsiveness with closed eyes, no speech, and no purposeful movements
  24. A coma is a period of unconsciousness which may occur following a traumatic brain injury.
  25. (coma) A higher-order aberration that makes items appear to have a comet-shaped "tail," creating blurring in your vision.