A naturally occurring substance of neither animal nor vegetable origin; an inorganic substance. (Not now in technical use.)
| 单词 | θ210312 |
| 释义 | society > occupation and work > industry > mining > [noun] (191) mineral?a1425 A naturally occurring substance of neither animal nor vegetable origin; an inorganic substance. (Not now in technical use.) minery1561 The science or industry of mining. Obsolete. mining1776 The action of mine, v.; (in early use) the process of digging a tunnel under a wall, fort, etc., so as to cause its collapse; (in later use chiefly)… mine working1826 Any of the excavations which make up a mine (usually in plural). Also (occasionally): the operation of a mine. Subcategories:— for coal (14) — for tin (2) — for gold (3) — for other specific substance (3) — searching for gold, etc., in crevices (2) — other specific types of mining (13) — art of discovering hidden metals (1) — washing or streaming (15) — prospecting (16) — staking claims (5) — discovery of rich mineral deposit (1) — preparatory work (2) — removal of water (2) — excavating or sinking of shaft (7) — an excavation or cutting (4) — lining of pit-shaft (4) — excavating or dressing ore (15) — collecting together valuable product (1) — moving broken ore or debris (3) — transporting by lift or cage (2) — winding cage over drum (3) — dividing mine into panels (3) — drilling for samples (2) — other specific mining processes (36) — types of cutting (5) — explosion of blasting charge (4) — collapse of rock in mine (1) — loose ore (1) — diminution or degeneration of lode (1) — coal-mining work let at lowest price (1) — work done by those running tram (1) — contracting with miners for work (1) — system of letting work (1) — measure of coal, etc. (4) — quantity of coal cleared before moving (2) — knock on wall of coal-mine (1) — hole in coal as point of reference (1) — distance miner cuts before him (1) — signal to stop work (1) — worksheets and record books (2) |
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