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1. Biology One of the forms of a polymorphic organism.
2. Chemistry A specific crystalline form of a compound that can crystallize in different forms.
3. Immunology A polymorphonuclear leukocyte, especially a neutrophil.


1. (Biology) a species of animal or plant that exhibits polymorphism
2. (Chemistry) any of the crystalline forms of a chemical compound that exhibits polymorphism
3. (Physiology) Also called: polymorphonuclear leucocyte any of a group of white blood cells that have lobed nuclei and granular cytoplasm and function as phagocytes; they include neutrophils, basophils, and eosinophils
[C19: from Greek polumorphos having many forms]


(ˈpɒl iˌmɔrf)

a. an organism that exists in different forms.
b. one of the forms.
2. any of the crystal forms assumed by a substance that exhibits polymorphism.
[1820–30; < Greek polýmorphos; see poly-, -morph]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polymorph - an organism that can assume more than one adult form as in the castes of ants or termites
organism, being - a living thing that has (or can develop) the ability to act or function independently
References in periodicals archive ?
methods of use, polymorphs, enantiomers, drug delivery devices, and methods of manufacture.
In bacterial respiratory tract infections, the patient's main complaints are high-grade fever, purulent nasal discharge, cough which produces phlegm and the investigations show increase in total leucocyte count (> 11000 cells/cumm), increased polymorphs (> 60%) in differential leucocyte count, swabs taken from nasal secretions and throat are positive for bacterial growth and chest x-ray shows infiltrations or consolidation or pleural effusion.
4] polymorphs has been in a sphere of tight interests in biomedicine because of versatile angiogenesis inhibition effect on a row of human malignancies [l, 2].
Crystalline polymorphs may possess significant benefits, such as improved efficacy or lower toxicity, over the original compound.
9] investigated the effect of synthesis temperature on the abundance of vaterite, aragonite, and calcite, thus delineating regions that are favorable for the formation of these different calcium carbonate polymorphs at temperatures ranging from 25 to 80[degrees]C.
The new materials have new and different properties from their old polymorphs and they are expected to be beneficial for thermoelectric and photovoltaic applications.
865, melting point 1843[degrees]C, Four naturally occurring titanium dioxide polymorphs exist : rutile, anatase, brookite and titanium dioxide .
Polymorphs and pyknosis were seen on both the sides of buccal mucosa whereas micronuclei and binucleation (Figure 6) were seen only in affected side after second week.
8, TLC 112/cumm, RBC 2-3, WBC 4-5, Polymorphs 70% and Lymphocyte 30%.
The cytology of pus revealed numerous polymorphs and histiocytes in a background of karyorrhectic material and necrotic cellular debris, findings consistent with acute inflammation / abscess formation.
According to the literature the most conspicuous histological feature in acute ENL is the infiltrate of polymorphs in the reaction centre.
Diffe rent polymorphs may have variations in the phys ical properties of the compound s uch as s olubility and dis s olution rate etc.