| 单词 | keratoconus |
| 释义 | keratoconus in American English (ˌkɛrəˌtoʊˈkoʊnəs) noun an abnormal conical bulging of a cornea causing impaired vision or blindness: thought to be an inherited disorder keratoconus in American English (ˌkerətouˈkounəs) nounWord forms: plural -ni (-nai, -ni) Pathology a degenerative condition characterized by conical protrusion of the cornea and irregular astigmatism Word origin [1855–60; kerato- + L cōnus cone]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: barrage, boilerplate, pickup, specialist, superheatExamples of 'keratoconus' in a sentence |
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