| diocesan | (adjective) belonging to or governing a diocese | - |
|---|
| (noun) a bishop having jurisdiction over a diocese | - |
| diocese | (noun) the territorial jurisdiction of a bishop | Synonyms: bishopric, episcopate |
|---|
| diode | (noun) a semiconductor that consists of a p-n junction | Synonyms: crystal rectifier, junction rectifier, semiconductor diode |
|---|
| (noun) a thermionic tube having two electrodes; used as a rectifier | Synonyms: rectifying tube, rectifying valve |
| dioecian | (adjective) having male and female reproductive organs in separate plants or animals | Synonyms: dioecious |
|---|
| dioecious | (adjective) having male and female reproductive organs in separate plants or animals | Synonyms: dioecian |
|---|
| dioestrous | (adjective) (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity | Synonyms: diestrous, diestrual, dioestrual |
|---|
| dioestrual | (adjective) (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity | Synonyms: diestrous, diestrual, dioestrous |
|---|
| diol | (noun) any of a class of alcohols having 2 hydroxyl groups in each molecule | Synonyms: dihydric alcohol, glycol |
|---|
| dioon | (noun) any cycad of the genus Dioon; handsome palmlike cycads with robust crowns of leaves and rugged trunks | - |
|---|
| diopter | (noun) a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists | Synonyms: dioptre |
|---|
| dioptre | (noun) a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists | Synonyms: diopter |
|---|
| diorama | (noun) a picture (or series of pictures) representing a continuous scene | Synonyms: cyclorama, panorama |
|---|
| diorite | (noun) a granular crystalline intrusive rock | - |
|---|
| dioxide | (noun) an oxide containing two atoms of oxygen in the molecule | - |
|---|
| dioxin | (noun) any of several toxic or carcinogenic hydrocarbons that occur as impurities in herbicides | - |
|---|