dimorphism


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Related to dimorphism: Gender dimorphism

di·mor·phism

 (dī-môr′fĭz′əm)
n.
1. Biology The existence among animals of the same species of two distinct forms that differ in one or more characteristics, such as coloration, size, or shape.
2. Botany The occurrence of two distinct forms of the same parts in one plant, as in the juvenile and adult leaves of ivy.
3. Chemistry & Physics Dimorphic crystallization.

dimorphism

(daɪˈmɔːfɪzəm)
n
1. (Botany) the occurrence within a plant of two distinct forms of any part, such as the leaves of some aquatic plants
2. (Zoology) the occurrence in an animal or plant species of two distinct types of individual
3. (Chemistry) a property of certain substances that enables them to exist in two distinct crystalline forms
diˈmorphic, diˈmorphous adj

di•mor•phism

(daɪˈmɔr fɪz əm)

n.
1. the occurrence of two forms distinct in structure, coloration, etc., among animals of the same species.
2. the occurrence of two different forms of flowers, leaves, etc., on the same plant or on different plants of the same species.
3. the property of some substances of crystallizing in two chemically identical but crystallographically distinct forms.
[1825–35]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.dimorphism - (chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
pleomorphism, polymorphism - (chemistry) the existence of different kinds of crystal of the same chemical compound
2.dimorphism - (biology) the existence of two forms of individual within the same animal species (independent of sex differences)
biological science, biology - the science that studies living organisms
polymorphism - (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences)
Translations
dimorphisme

di·mor·phism

n. dimorfismo, caracterización de dos formas diferentes;
sexual ______ sexual, hermafrodismo.
References in periodicals archive ?
Secondly, the current study aimed to determine twelve morphometric measurements of auricular concha for young Chinese adults, to investigate sexual dimorphism and bilateral asymmetry, and to establish basic shapes of auricular concha for both sexes and sides.
The degree of sexual dimorphism in size was assessed by the Storer's index, in which a larger value indicates greater sexual dimorphism (Storer 1966).
Longitudinal studies of male and female athletes and controls would be required to gain a better insight into long bone sexual dimorphism.
Sexual dimorphism is a widespread phenomenon throughout the animal kingdom (Andersson and Iwasa, 1996; Fairbairn et al.
Sexual dimorphism has been defined by Mayr and Ashlock (1991) as the phenotypic difference between the two sexes of a species.
That's the message of one paleontologist, who says there isn't enough evidence to tell between male and female dinos based on the shape of their bones alone, differences between the genders that are known as sexual dimorphism.
Understanding relative contributions of males and females during this critical period when both parents feed nestlings could contribute important information to our understanding of the feeding ecology and life history of owls and, in particular, to the long-standing debate (Mueller, 1986; Kruger, 2005) about the evolution of reversed sexual dimorphism (RSD; i.
On the other hand, the morphometric studies have documented sexual size dimorphism in S.
The study on sexual dimorphism is based on the principle that the axial skeleton weight of the male is relatively and absolutely heavier than that of the female and the initial impact of this weight is borne by the femur in transmission of the body weight.
8 Apart from pelvis, skull exhibits higher sexual dimorphism in human body.
Darwin suggested such dimorphism evolves through sexual selection on males to attract females and repel rival males.
Aggression is also one such trait that shows sexual dimorphism.