| CHROMIDIUM | • chromidium n. A granule of extranuclear chromatin in the cytoplasm of a cell. • CHROMIDIUM n. an algal cell in a lichen. | 
| DICHROMATICISM | • DICHROMATICISM n. the property of presenting different colours by transmitted light, when viewed in two different directions. | 
| DICHROMATICISMS | • DICHROMATICISM n. the property of presenting different colours by transmitted light, when viewed in two different directions. | 
| DICHROMATISM | • dichromatism n. The condition of being dichromatic. • dichromatism n. (Pathology) A form of colourblindness in which only two of the three primary colours can be distinguished. • dichromatism n. (Biology) The condition when male and female birds have different plumage colors. | 
| DICHROMATISMS | • dichromatisms n. Plural of dichromatism. • DICHROMATISM n. partial color blindness in which only two colors are perceptible. | 
| DICHROMISM | • dichromism n. Dichromatism. • DICHROMISM n. the state of being dichromic. | 
| DICHROMISMS | • DICHROMISM n. the state of being dichromic. | 
| DIMORPHISM | • dimorphism n. (Biology) The occurrence within a plant of two distinct forms of any part. • dimorphism n. (Biology) The occurrence in an animal species of two distinct types of individual. • dimorphism n. (Geology) A property of certain substances that enables them to exist in two distinct crystalline forms. | 
| DIMORPHISMS | • dimorphisms n. Plural of dimorphism. • DIMORPHISM n. the state of existing or occurring in two distinct forms in the same plant or species. | 
| HERMAPHRODITISM | • hermaphroditism n. The state of having sexual organs of both the male and female sexes. • HERMAPHRODITISM n. the state of being hermaphrodite, bearing both sexes, usually in the same flower. | 
| IDIOMORPHISM | • IDIOMORPHISM n. the state of being idiomorphic. | 
| IDIOMORPHISMS | • IDIOMORPHISM n. the state of being idiomorphic. | 
| ISODIMORPHISM | • isodimorphism n. Isomorphism between the two forms severally of two dimorphous substances. • ISODIMORPHISM n. isomorphism between each of the two forms of a dimorphous substance and the corresponding forms of another dimorphous substance. | 
| ISODIMORPHISMS | • ISODIMORPHISM n. isomorphism between each of the two forms of a dimorphous substance and the corresponding forms of another dimorphous substance. | 
| MONORCHIDISM | • monorchidism n. The condition of having only one testicle. • MONORCHIDISM n. the state of being monorchid, having one testicle, also MONORCHISM. | 
| MONORCHIDISMS | • MONORCHIDISM n. the state of being monorchid, having one testicle, also MONORCHISM. | 
| THERMOPERIODISM | • thermoperiodism n. The property of being thermoperiodic. • THERMOPERIODISM n. the effect on an organism of rhythmic temperature variations. |