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单词 rickets
释义

WordReference Random House Learner's Dictionary of American English © 2024
rick•ets /ˈrɪkɪts/USA pronunciation   n. [uncountable* used with a singular verb]
  1. Pathologya childhood disease in which the bones soften from a low supply of vitamin D and not enough sunlight.

WordReference Random House Unabridged Dictionary of American English © 2024
rick•ets  (rikits),USA pronunciation n. [Pathol.]
  1. Pathologya disease of childhood, characterized by softening of the bones as a result of inadequate intake of vitamin D and insufficient exposure to sunlight, also associated with impaired calcium and phosphorus metabolism.
  • origin, originally uncertain 1635–45

Collins Concise English Dictionary © HarperCollins Publishers::
rickets /ˈrɪkɪts/ n
  1. (functioning as singular or plural) a disease mainly of children, characterized by softening of developing bone, and hence bow legs, malnutrition, and enlargement of the liver and spleen, caused by a deficiency of vitamin D
Etymology: 17th Century: of unknown origin
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