selvedge

selvedge
[ˈsɛlvɪdʒ]
(主北美 亦作 selvage)
noun
  1. an edge produced on woven fabric during manufacture that prevents it from unravelling
    布的织边;镶边
    ■(Geology)a zone of altered rock, especially volcanic glass, at the edge of a rock mass
    (地质)断层泥
语源
  1. late Middle English: from an alteration of self + edge, on the pattern of early modern Dutch selfegghe. The geological term dates from the 1930s
英语宝典
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