smut /ˈsmʌt/
 煤塵,污跡,黑穗病(vt.)弄髒(vi.)患黑穗病


 smut /ˈsmət/ 名詞
 黑穗病,黑粉病,黑粉菌,污斑,汙點,煤塵,用煤炱等弄髒,麥角


 Smut n.
 1. Foul matter, like soot or coal dust; also, a spot or soil made by such matter.
 2. Mining Bad, soft coal, containing much earthy matter, found in the immediate locality of faults.
 3. Bot. An infection of cereal grains producing a swelling which is at length resolved into a powdery sooty mass. It is caused by parasitic fungi of the genus Ustilago. Ustilago segetum, or Ustilago Carbo, is the commonest kind; that of Indian corn is Ustilago maydis.
 4. Obscene language; ribaldry; obscenity.
    He does not stand upon decency . . . but will talk smut, though a priest and his mother be in the room.   --Addison.
 Smut mill, a machine for cleansing grain from smut.


 Smut v. t. [imp. & p. p. Smutted; p. pr. & vb. n. Smutting.]
 1. To stain or mark with smut; to blacken with coal, soot, or other dirty substance.
 2. To taint with mildew, as grain.
 3. To blacken; to sully or taint; to tarnish.
 4. To clear of smut; as, to smut grain for the mill.


 Smut, v. i.
 1. To gather smut; to be converted into smut; to become smutted.
 2. To give off smut; to crock.

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 smut
      n 1: a black colloidal substance consisting wholly or principally
           of amorphous carbon and used to make pigments and ink
           [syn: carbon black, lampblack, soot]
      2: destructive diseases of plants (especially cereal grasses)
         caused by fungi that produce black powdery masses of
         spores
      3: any fungus of the order Ustilaginales [syn: smut fungus]
      4: creative activity (writing or pictures or films etc.) of no
         literary or artistic value other than to stimulate sexual
         desire [syn: pornography, porno, porn, erotica]
      v 1: make obscene; "This line in the play smuts the entire act"
      2: stain with a dirty substance, such as soot
      3: become affected with smut; "the corn smutted and could not
         be eaten"
      4: affect with smut or mildew, as of a crop such as corn
      [also: smutting, smutted]