under-leveln.

Brit.

/ˈʌndəˌlɛvl/, U.S.

/ˈəndərˌlɛv(ə)l/

Etymology: under- prefix².

(See quots.)

ΘΚΠ

society > occupation and work > workplace > places where raw materials are extracted > mine > [adjective] > relating to specific parts of mine

under-dip1839

under-level1852

upstoop1883

outcropping1939

1852 Eng. & Foreign Mining Terms (1860) 66 Underlevel drift, a drift driven from the pumping-pit to un-water dip workings.

1883 W. S. Gresley Gloss. Terms Coal Mining 267 Under-level, winning the ironstone by driving drifts into the hill-sides, &c., instead of sinking shafts.

This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).

单词	under-level
释义	under-leveln. Brit. /ˈʌndəˌlɛvl/, U.S. /ˈəndərˌlɛv(ə)l/ Etymology: under- prefix². (See quots.) ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [adjective] > relating to specific parts of mine under-dip1839 under-level1852 upstoop1883 outcropping1939 1852 Eng. & Foreign Mining Terms (1860) 66 Underlevel drift, a drift driven from the pumping-pit to un-water dip workings. 1883 W. S. Gresley Gloss. Terms Coal Mining 267 Under-level, winning the ironstone by driving drifts into the hill-sides, &c., instead of sinking shafts. This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022). < n.1852
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