malignant tumor

from WordNet (r) 3.0 (2006)
malignant tumor
    n 1: a tumor that is malignant and tends to spread to other
         parts of the body [syn: {malignant tumor}, {malignant
         neoplasm}, {metastatic tumor}]
    
from The Collaborative International Dictionary of English v.0.48
malignant tumor \malignant tumor\ n. (Med.),
   Same as malignancy[4].

   Syn: malignancy, malignance, malignant tumor, metastatic
        tumor.
        [WordNet 1.5]
    
from The Collaborative International Dictionary of English v.0.48
Tumor \Tu"mor\ (t[=u]"m[~e]r), n. [L., fr. tumere to swell: cf.
   F. tume['u]r. See {Tumid}.]
   1. (Med.) A morbid swelling, prominence, or growth, on any
      part of the body; especially, a growth produced by
      deposition of new tissue; a neoplasm.
      [1913 Webster]

   2. Affected pomp; bombast; swelling words or expressions;
      false magnificence or sublimity. [R.]
      [1913 Webster]

            Better, however, to be a flippant, than, by a
            revolting form of tumor and perplexity, to lead men
            into habits of intellect such as result from the
            modern vice of English style.         --De Quincey.
      [1913 Webster]

   {Encysted tumor}, a tumor which is inclosed in a membrane
      called a cyst, connected with the surrounding parts by the
      neighboring cellular substance.

   {Fatty tumor}. See under {Fatty}.

   {Innocent tumor}, or {Benign tumor}, one which does not of
      itself threaten life, and does not usually tend to recur
      after extirpation; a tumor which has not metastesized.

   {Malignant tumor}, a tumor which tends continually to spread,
      to become generalized in different parts of the body, and
      to recur after extirpation, and which, if left to itself,
      causes death.
      [1913 Webster]
    

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