costean

vi. 井探, 水力冲刷勘探, 掘井勘探

词形变化

costeans 复数 costeaned costeans 三单 costeans costeaning 现在分词 costeaned 过去式 costeaned 过去分词

释义与例句

n.
  1. 1.

    A trench in solid rock intersected by pits which reveals mineral veins.

    商务 采矿
v.
  1. 1.

    To search for lodes by sinking small pits through the superficial deposits to the solid rock, and then driving from one pit to another across the direction of the vein, so as to cross all the veins between the two pits.

    商务 采矿

词源

Presumably from Cornish kodha (“to fall, happen”) + sten (“tin”).

来源：wiktionary