- black induration
- the hardening and pigmentation of lung tissue seen in coal workers' pneumoconiosis.
Medical dictionary. 2011.
Medical dictionary. 2011.
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
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coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… … Universalium
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test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
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corn — corn1 /kawrn/, n. 1. Also called Indian corn; esp. technical and Brit., maize. a tall cereal plant, Zea mays, cultivated in many varieties, having a jointed, solid stem and bearing the grain, seeds, or kernels on large ears. 2. the grain, seeds,… … Universalium
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cutaneous anthrax — the most common type of anthrax in humans, due to inoculation of Bacillus anthracis into superficial wounds or abrasions. It begins with a small, painless, pruritic papular lesion that may have satellite lesions and enlarges, ulcerates, and… … Medical dictionary