Definitions for malignantməˈlɪg nənt

This page provides all possible meanings and translations of the word malignant

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. malignant(adj)

    dangerous to health; characterized by progressive and uncontrolled growth (especially of a tumor)

WiktionaryRate this definition:(0.00 / 0 votes)

  1. malignant(Adjective)

    Harmful, malevolent, injurious.

  2. malignant(Adjective)

    Harmfully cancerous; as a malignant tumor.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Malignant(adj)

    disposed to do harm, inflict suffering, or cause distress; actuated by extreme malevolence or enmity; virulently inimical; bent on evil; malicious

  2. Malignant(adj)

    characterized or caused by evil intentions; pernicious

  3. Malignant(adj)

    tending to produce death; threatening a fatal issue; virulent; as, malignant diphtheria

  4. Malignant(noun)

    a man of extrems enmity or evil intentions

  5. Malignant(noun)

    one of the adherents of Charles L. or Charles LL.; -- so called by the opposite party

  6. Origin: [L. malignans, -antis, p. pr. of malignare, malignari, to do or make maliciously. See Malign, and cf. Benignant.]

Freebase

  1. Malignant transformation

    Malignant transformation is the process by which cells acquire the properties of cancer. This may occur as a primary process in normal tissue, or secondarily as malignant degeneration of a previously existing benign tumor. There are many causes of primary malignant transformation, or tumorigenesis. The underlying commonality is genetic mutation either by inheritance or more commonly by acquiring mutations in one's DNA over time. Although malignant transformation may occur because of changes within the cell, it can be induced by inorganic toxic substances such as cadmium or arsenite and organics such as tobacco-specific nitrosamines. It is also thought that some malignant transformations are due to viruses such as the Epstein-Barr virus, although this is currently restricted to just a few cancer types. A more common cancer associated with viral infection is cervical cancer, which has been linked to the human papilloma virus. Malignant transformation of cells in a benign tumor may be detected by pathologic examination of tissues. Often the clinical signs and symptoms are suggestive of a malignant tumor.


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