vinculum

vinculum
[ˈvɪŋkjʊləm]
(pl. vincula -lə)
  1. (Anatomy)a connecting band of tissue, such as that attaching a flexor tendon to the bone of a finger or toe
    (剖)纽, 系带
  2. (Mathematics)a horizontal line drawn over a group of terms in a mathematical expression to indicate that they are to be operated on as a single entity by the preceding or following operator
    (数)线括号
派生
vincular
adjective
语源
  1. mid 17th cent. (in the sense 'bond, tie'): from Latin, literally bond', from vincire 'bind'. The term has been used in anatomy since the mid 19th cent
英语宝典
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