Malignant tumor
Tumor Tu"mor, 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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • malignant tumor — n. (Med.), Same as malignancy[4]. Syn: malignancy, malignance, malignant tumor, metastatic tumor. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • malignant tumor — noun a tumor that is malignant and tends to spread to other parts of the body • Syn: ↑malignant neoplasm, ↑metastatic tumor • Hypernyms: ↑tumor, ↑tumour, ↑neoplasm, ↑malignancy, ↑malignance …   Useful english dictionary

  • malignant tumor — a tumor that has the properties of invasiveness and metastasis and that shows a greater degree of anaplasia than do benign tumors …   Medical dictionary

  • malignant tumor — cancerous tumor …   English contemporary dictionary

  • ovarian borderline malignant tumor — A condition in which cells that may become cancer form in the thin layer of tissue that covers an ovary (female reproductive gland in which eggs are made). In this condition, tumor cells rarely spread outside of the ovary. Also called ovarian low …   English dictionary of cancer terms

  • Malignant — (from the Latin roots mal = bad and genus = born ) is a medical term used to describe a severe and progressively worsening disease. The term is most familiar as a description of cancer. A malignant tumor may be contrasted with a non cancerous… …   Wikipedia

  • malignant neoplasm — n. (Med.), Same as malignancy[4]. Syn: malignancy, malignance, malignant tumor, metastatic tumor. [WordNet 1.5] …   The Collaborative International Dictionary of English

  • Tumor — Tu mor, 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… …   The Collaborative International Dictionary of English

  • tumor-infiltrating lymphocyte — n a T cell that is isolated from a malignant tumor, cultured with interleukin 2, and injected back into the patient as a tumor killing cell and that has greater cytotoxicity than lymphokine activated killer cells called also TIL …   Medical dictionary

  • Malignant transformation — In genetics, transformation is also used to describe the incorporation of foreign DNA by bacteria. Malignant transformation is the process by which cells acquire the properties of cancer. This may occur as a primary process in normal tissue, or… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”