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4 definitions found
 for Heavy metal
From The Collaborative International Dictionary of English v.0.48 :

  Heavy \Heav"y\, a. [Compar. Heavier; superl. Heaviest.] [OE.
     hevi, AS. hefig, fr. hebban to lift, heave; akin to OHG.
     hebig, hevig, Icel. h["o]figr, h["o]fugr. See Heave.]
     1. Heaved or lifted with labor; not light; weighty;
        ponderous; as, a heavy stone; hence, sometimes, large in
        extent, quantity, or effects; as, a heavy fall of rain or
        snow; a heavy failure; heavy business transactions, etc.;
        often implying strength; as, a heavy barrier; also,
        difficult to move; as, a heavy draught.
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     2. Not easy to bear; burdensome; oppressive; hard to endure
        or accomplish; hence, grievous, afflictive; as, heavy
        yokes, expenses, undertakings, trials, news, etc.
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              The hand of the Lord was heavy upon them of Ashdod.
                                                    --1 Sam. v. 6.
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              The king himself hath a heavy reckoning to make.
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              Sent hither to impart the heavy news. --Wordsworth.
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              Trust him not in matter of heavy consequence.
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     3. Laden with that which is weighty; encumbered; burdened;
        bowed down, either with an actual burden, or with care,
        grief, pain, disappointment.
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              The heavy [sorrowing] nobles all in council were.
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              A light wife doth make a heavy husband. --Shak.
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     4. Slow; sluggish; inactive; or lifeless, dull, inanimate,
        stupid; as, a heavy gait, looks, manners, style, and the
        like; a heavy writer or book.
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              Whilst the heavy plowman snores.      --Shak.
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              Of a heavy, dull, degenerate mind.    --Dryden.
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              Neither [is] his ear heavy, that it can not hear.
                                                    --Is. lix. 1.
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     5. Strong; violent; forcible; as, a heavy sea, storm,
        cannonade, and the like.
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     6. Loud; deep; -- said of sound; as, heavy thunder.
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              But, hark! that heavy sound breaks in once more.
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     7. Dark with clouds, or ready to rain; gloomy; -- said of the
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     8. Impeding motion; cloggy; clayey; -- said of earth; as, a
        heavy road, soil, and the like.
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     9. Not raised or made light; as, heavy bread.
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     10. Not agreeable to, or suitable for, the stomach; not
         easily digested; -- said of food.
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     11. Having much body or strength; -- said of wines, or other
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     12. With child; pregnant. [R.]
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     Heavy artillery. (Mil.)
         (a) Guns of great weight or large caliber, esp. siege,
             garrison, and seacoast guns.
         (b) Troops which serve heavy guns.
     Heavy cavalry. See under Cavalry.
     Heavy fire (Mil.), a continuous or destructive cannonading,
        or discharge of small arms.
     Heavy metal (Mil.), large guns carrying balls of a large
        size; also, large balls for such guns.
     Heavy metals. (Chem.) See under Metal.
     Heavy weight, in wrestling, boxing, etc., a term applied to
        the heaviest of the classes into which contestants are
        divided. Cf. Feather weight
         (c), under Feather.
             [1913 Webster]
     Note: Heavy is used in composition to form many words which
           need no special explanation; as, heavy-built,
           heavy-browed, heavy-gaited, etc.
           [1913 Webster]

From WordNet (r) 3.0 (2006) :

  heavy metal
      n 1: a metal of relatively high density (specific gravity
           greater than about 5) or of high relative atomic weight
           (especially one that is poisonous like mercury or lead)
      2: loud and harsh sounding rock music with a strong beat; lyrics
         usually involve violent or fantastic imagery [syn: heavy
         metal, heavy metal music]

From The Jargon File (version 4.4.7, 29 Dec 2003) :

  heavy metal
      [Cambridge] Syn. big iron.

From The Free On-line Dictionary of Computing (30 December 2018) :

  big iron
  heavy metal
      (Or "heavy metal [Cambridge]) Large, expensive,
     ultra-fast computers.  Used generally of number crunching
     supercomputers such as Crays, but can include more
     conventional big commercial IBMish mainframes.  The term
     implies approval, in contrast to "{dinosaur".
     [{Jargon File]

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