gault

gault
[gɔːlt]
noun
(亦作 gault clay)
  1. [mass noun]a thick, heavy clay
    重黏土
    ■(一般作 Gault)(Geology)a series of Cretaceous clays and marls forming strata in southern England
    (地质)(英格兰南部的)白垩系黏土和泥灰岩层
语源
  1. late 16th cent.: possibly related to Old Swedish galt, neuter of galder 'barren'
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