culm coal

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• Culm — Culm, n. [Perh. from W. cwlm knot or tie, applied to this species of coal, which is much found in balls or knots in some parts of Wales: cf. OE. culme smoke, soot.] (Min.) (a) Mineral coal that is not bituminous; anthracite, especially when found …   The Collaborative International Dictionary of English

• culm — culm1 [kulm] n. [northern Brit dial. < ME colme, culme < ? OE col, COAL + ? suffix as in fæthm, FATHOM] 1. waste material from coal screenings or washings 2. fine pieces of anthracite coal culm2 [kulm] n. [L culmus, a …   English World dictionary

• Culm — may refer to: Culm (plant), the stem of any type of plant Culm Measures, a geological formation of England River Culm, in Mid Devon, England the German name for Chełmno, Poland, also spelled Kulm a term used for fine grained waste from anthracite …   Wikipedia

• Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …   Wikipedia

• Coal grade —   This classification refers to coal quality and use.   • Briquettes are made from compressed coal dust, with or without a binding agent such as asphalt.   • Cleaned coal or prepared coal has been processed to reduce the amount of impurities… …   Energy terms

• Culm Measures — Chevron folding in the cliffs at Millook Haven, North Cornwall The Culm Measures are a geological formation of the Carboniferous period that occur in south west England, principally in Devon and Cornwall. They are so called because of the… …   Wikipedia

• culm — I [[t]kʌlm[/t]] n. 1) min coal dust; slack 2) min anthracite, esp. of inferior grade • Etymology: 1300–50; ME colme, prob. =col coal+ msuffix of uncert. meaning; cf. m in OEfæthmfathom, wæstmgrowth II culm [[t]kʌlm[/t]] n. 1) bot a stem or stalk …   From formal English to slang

• Culm — [kʌlm] noun 1》 Geology a series of Carboniferous strata in SW England, mainly shale and limestone with some thin coal seams. 2》 (culm) archaic coal dust or slack. Origin ME: prob. related to coal …   English new terms dictionary

• culm — culm1 /kulm/, n. 1. coal dust; slack. 2. anthracite, esp. of inferior grade. [1300 50; ME colme, prob. equiv. to col COAL + m suffix of uncert. meaning (cf. m in OE faethm fathom, waestm growth)] culm2 /kulm/, n. 1 …   Universalium

• culm — noun /kʌlm/ a) waste coal, used as a poor quality fuel; slack. ...because, upon hearing him out, she sank down on the lawn in an impossible posture, examining a grass culm and frowning, he had taken his words back at once;... b) the stem of a… …   Wiktionary

• culm — I. /kʌlm/ (say kulm) noun 1. coal dust; slack. 2. anthracite, especially of inferior grade. {variant of coom soot} II. /kʌlm/ (say kulm) noun 1. a stem or stalk, especially the jointed and usually hollow stem of grasses. –verb (i) 2. to grow or… …