slack coal

  • 1slack coal — noun : slack V …

    Useful english dictionary

  • 2Coal 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

  • 3slack — slack1 [slak] adj. [ME slakke < OE slæc, akin to Du slak < IE base * (s)lēg , loose, slack > L laxus, lax] 1. slow; idle; sluggish 2. barely moving: said of a current, as of air or water 3. characterized by little work, trade, or… …

    English World dictionary

  • 4slack — Ⅰ. slack [1] ► ADJECTIVE 1) not taut or held tightly in position; loose. 2) (of business or trade) not busy; quiet. 3) careless, lazy, or negligent. 4) (of a tide) neither ebbing nor flowing. ► NOUN 1) …

    English terms dictionary

  • 5Slack — Slack, n. [Cf. {Slag}.] Small coal; also, coal dust; culm. Raymond. [1913 Webster] …

    The Collaborative International Dictionary of English

  • 6slack — {{11}}slack (adj.) O.E. slæc loose, careless (in reference to personal conduct), from P.Gmc. *slakas (Cf. O.S. slak, O.N. slakr, O.H.G. slah slack, M.Du. lac fault, lack ), from PIE root * (s)leg to be slack (see LAX (Cf. lax)). Sense of …

    Etymology dictionary

  • 7slack — 1. adj., n., v., & adv. adj. 1 (of rope etc.) not taut. 2 inactive or sluggish. 3 negligent or remiss. 4 (of tide etc.) neither ebbing nor flowing. 5 (of trade or business or a market) with little happening. 6 loose. 7 Phonet. lax. 8 relaxed,… …

    Useful english dictionary

  • 8slack — I. /slæk / (say slak) adjective 1. not tense or taut; loose: slack rope. 2. indolent; negligent; remiss. 3. slow; sluggish. 4. lacking in activity; dull; not brisk: slack times for business. 5. sluggish, as the water, tide, or wind. 6. Colloquial …

  • 9slack — 1. noun /slæk/ a) Small coal; coal dust. The slack of a rope or of a sail. b) A valley, or small, shallow dell. Syn: culm, slough 2 …

    Wiktionary

  • 10slack — I. adjective Etymology: Middle English slak, from Old English sleac; akin to Old High German slah slack, Latin laxus slack, loose, languēre to languish, Greek lagnos lustful and perhaps to Greek lēgein to stop Date: before 12th century 1. not… …

    New Collegiate Dictionary