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Related to polymorphous: Polymorphous light eruption


1. Biology The occurrence of more than one form, as several alleles of a particular gene or winged and wingless forms of the same species.
2. Chemistry Crystallization of a compound in at least two distinct forms. Also called pleomorphism.

pol′y·mor′phic, pol′y·mor′phous adj.
pol′y·mor′phous·ly adv.


(ˌpɒlɪˈmɔːfəs) or


1. having, taking, or passing through many different forms or stages
2. (Chemistry) (of a substance) exhibiting polymorphism
3. (Biology) (of an animal or plant) displaying or undergoing polymorphism


(ˌpɒl iˈmɔr fəs)

having, assuming, or passing through many or various forms, stages, or the like; polymorphic.
[1775–85; < Greek polýmorphos multiform. See poly-, -morphous]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.polymorphous - relating to the crystallization of a compound in two or more different forms; "polymorphous crystallization"
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
2.polymorphous - relating to the occurrence of more than one kind of individual (independent of sexual differences) in an interbreeding population; "a polymorphic species"
biological science, biology - the science that studies living organisms
3.polymorphous - having or occurring in several distinct forms; "man is both polymorphic and polytypic"; "a polymorphous god"
multiform - occurring in or having many forms or shapes or appearances; "the multiform universe of nature and man"- John Dewey


Biology. Consisting of a number of different kinds:
Biology: polymorphic.
References in periodicals archive ?
In the 2017 WHO Classification of Head and Neck Tumours, cribriform adenocarcinoma of (minor) salivary gland origin is a subcategory of polymorphous adenocarcinoma.
Critics have understood Fatebe as expressing a feminist, body-positive politics, yet her feminism isn't grounded in the production of affirmative representations, but rather in her capacity to embody profuse desublimating fantasies, to assimilate and master humiliation by transforming it into scenes of ambivalent, polymorphous perversity.
Dr Parashkev Nachev, from University College London, told OT that the polymorphous nature of nystagmus made it a challenging area for researchers and that a more left-field approach to the condition is required.
"Red and white colors, milky red areas, polymorphous vessels, and shiny white structures were associated with spitzoid melanoma.
Background and Objective: To evaluate usefulness of immunohistochemical marker C-kit (CD117) in differentiating Adenoid cystic carcinoma (AdCC) from Polymorphous low-grade adenocarcinoma (PLGA) in patients of salivary gland carcinomas.
The differential diagnosis includes metastatic papillary thyroid carcinoma, sinonasal papilloma, and selected minor salivary gland carcinomas (such as polymorphous adenocarcinoma).
Polymorphous low-grade adenocarcinoma (PLGA) occurs almost exclusively in the minor salivary gland and its origin in a major salivary gland is considered rare.
Microscopic examination revealed effacement of the normal nodular architecture with predominantly small-sized lymphoid cells with cleaved nuclei and scant cytoplasm distributed among a polymorphous background infiltrate including small lymphocytes, eosinophils, plasma cells, and histiocytes (Figure 1(c)).
Paraneoplastic pemphigus (PNP), an acantholytic mucocutaneous syndrome, has a universal association with malignancy and a poor prognosis.[sup][1] The clinical picture is characterized by painful mucosal erosions, ulcerations, and polymorphous skin lesions that progress to blistering eruptions on the trunk and extremities.
Smears from the bronchial wash showed polymorphous population of lymphocytes, neutrophils, mononuclear giant cells showing prominent nucleoli, occasional binucleate cells and scattered endobronchial cells in haemorrhagic background.
The AMF published a report at the end of 2015 in which it describes SRI as a heterogeneous and polymorphous concept which lacks transparency.

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