9-letter words containing o, r, d, i
- detrition — the act of rubbing or wearing away by friction
- detrivore — (biology) Any organism that feeds on detritus.
- detrusion — the act of detruding.
- deviatory — Tending to deviate.
- devouring — Present participle of devour.
- deworming — Present participle of deworm.
- diachrony — a change over time, esp in languages
- diandrous — (of some flowers or flowering plants) having two stamens
- diarrhoea — If someone has diarrhoea, a lot of liquid faeces comes out of their body because they are ill.
- diasporas — Plural form of diaspora.
- diaspores — Plural form of diaspore.
- diasporic — of or relating to a (or the) Diaspora
- diatropic — the tendency of some plant organs to take a transverse position to the line of action of an outside stimulus.
- dibromide — a chemical compound that contains two bromine atoms per molecule
- dichondra — any of a genus of creeping perennial herbs of the Convolvulaceae family, with white, pale yellow, or green flowers
- dichroism — a property of a uniaxial crystal, such as tourmaline, of showing a perceptible difference in colour when viewed along two different axes in transmitted white light
- dichroite — cordierite.
- dichromat — a person whose vision can only distinguish two colours
- dichromic — of or involving only two colours; dichromatic
- dickerson — Eric Demetric [dih-me-trik] /dɪˈmɛ trɪk/ (Show IPA), born 1960, U.S. football player.
- dicrotism — having or pertaining to a double beat of the pulse for each beat of the heart.
- dictators — Plural form of dictator.
- dictatory — dictatorial
- dicumarol — a white, crystalline powder, C19H12O6, originally extracted from spoiled sweet clover, used to retard blood clots
- didrikson — Mildred(Mrs. George Zaharias) 1913-56; U.S. athlete in many sports
- dihydroxy — (of a molecule) containing two hydroxyl groups.
- dilatator — (anatomy) A muscle that dilates any part; a dilator.
- dimestore — Alternative spelling of dime store.
- dimissory — dismissing or giving permission to depart.
- dimitrovo — a city in W Bulgaria, near Sofia.
- dimorphic — having two forms.
- diner-out — a person who dines out.
- dinosaurs — any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals.
- dinothere — any elephantlike mammal of the extinct genus Dinotherium, from the later Tertiary Period of Europe and Asia, having large, outwardly curving tusks.
- dioestrus — diestrus.
- dioptrate — (of a compound eye) divided by a transverse line
- dioptrics — the branch of geometrical optics dealing with the formation of images by lenses.
- dioristic — defining
- dipterous — Entomology. belonging or pertaining to the order Diptera, comprising the houseflies, mosquitoes, and gnats, characterized by a single, anterior pair of membranous wings with the posterior pair reduced to small, knobbed structures.
- dire wolf — an extinct wolf, Canis dirus, widespread in North America during the Pleistocene Epoch, having a larger body and a smaller brain than the modern wolf.
- direction — the act or an instance of directing.
- directors — Plural form of director.
- directory — a book containing an alphabetical index of the names and addresses of persons in a city, district, organization, etc., or of a particular category of people.
- dirhinous — having paired nostrils.
- dirt poor — lacking nearly all material means or resources for living.
- dirt road — an unpaved road.
- dirt-poor — lacking nearly all material means or resources for living.
- dirtboard — A long skateboard with larger-than-average wheels, designed for off-road use.
- dirty dog — a despicable person
- diruption — (archaic) disruption.