polymorphic

American  

[pol-ee-mawr-fik] / ˌpɒl iˈmɔr fɪk /

adjective

1. Biology. (of a species) having more than one form or type as a result of discontinuous variation.

   Cabbage, kale, broccoli, and cauliflower are all forms of a single polymorphic species.

2. Computers. of or relating to a virus or other malignant code that has many forms, changing as it replicates.

   Polymorphic malware, which changes its identity up to 19 times a day to avoid detection while taking control of users' computers, has been successfully deactivated.

3. Crystallography. of or relating to a substance that crystallizes into two or more forms having different structure but identical chemistry.

   The pharmaceutical under study here, at five structurally characterized forms, is one of the most polymorphic drugs known.

---

Etymology

Origin of polymorphic

poly- ( def. ) + -morphic ( def. )

Example Sentences

See Examples For:

polymorphic

However, this material is polymorphic, meaning it has multiple phases with different crystalline structures.

From Science Daily ● Oct. 24, 2023

The genes that code for each opsin has seven sites in the gene that are polymorphic: They can have different letters of DNA.

From Scientific American ● Nov. 1, 2022

The polymorphic aminopeptidase locus, Lap-1, has been shown to be useful for the genetic differentiation of populations of this organism.

From Textbooks ● Jun. 9, 2022

A March 2022 study found that the human eye couldn’t tell male polymorphic wood tiger moth genotypes apart — but moth vision models with ultraviolet light sensitivity could.

From The Verge ● Apr. 20, 2022

Papilio Memnon is one of the most striking, as it exhibits the mixture of simple variability, local and polymorphic forms, all hitherto classed under the common title of varieties.

From Contributions to the Theory of Natural Selection A Series of Essays by Alfred Russel Wallace