9-letter words containing d, o, i
- digitoxin — a white, crystalline, water-insoluble cardiac glycoside, C 41 H 64 O 13 , or a mixture of cardiac glycosides of which this is the chief constituent, obtained from digitalis and used in the treatment of congestive heart failure.
- diglossia — the widespread existence within a society of sharply divergent formal and informal varieties of a language each used in different social contexts or for performing different functions, as the existence of Katharevusa and Demotic in modern Greece.
- diglossic — the widespread existence within a society of sharply divergent formal and informal varieties of a language each used in different social contexts or for performing different functions, as the existence of Katharevusa and Demotic in modern Greece.
- dignotion — (obsolete) distinguishing mark; diagnostic.
- dihydroxy — (of a molecule) containing two hydroxyl groups.
- dilatator — (anatomy) A muscle that dilates any part; a dilator.
- dilations — Plural form of dilation.
- dilutions — Plural form of dilution.
- dimension — Mathematics. a property of space; extension in a given direction: A straight line has one dimension, a parallelogram has two dimensions, and a parallelepiped has three dimensions. the generalization of this property to spaces with curvilinear extension, as the surface of a sphere. the generalization of this property to vector spaces and to Hilbert space. the generalization of this property to fractals, which can have dimensions that are noninteger real numbers. extension in time: Space-time has three dimensions of space and one of time.
- 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.
- ding dong — the sound of a bell.
- ding-dong — the sound of a bell.
- dinomania — a strong interest in or enthusiasm for dinosaurs
- 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.
- dioecious — (especially of plants) having the male and female organs in separate and distinct individuals; having separate sexes.
- dioestrus — diestrus.
- dionysiac — of or relating to the Dionysia or to Dionysus; Bacchic.
- dionysian — of, relating to, or honoring Dionysus or Bacchus.
- dionysius — ("the Elder") 431?–367 b.c, Greek soldier: tyrant of Syracuse 405–367.
- diopsidic — of, relating to, or belonging to diopside
- 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
- diosgenin — a crystalline compound, C 27 H 42 O 3 , the aglycone of dioscin: used in the synthesis of steroidal hormones, as of progesterone.
- diphthong — Phonetics. an unsegmentable, gliding speech sound varying continuously in phonetic quality but held to be a single sound or phoneme and identified by its apparent beginning and ending sound, as the oi- sound of toy or boil.
- diplomacy — the conduct by government officials of negotiations and other relations between nations.
- diplomaed — a document given by an educational institution conferring a degree on a person or certifying that the person has satisfactorily completed a course of study.
- diplomata — Plural form of diploma.
- diplomate — a person who has received a diploma, especially a doctor, engineer, etc., who has been certified as a specialist by a board within the appropriate profession.
- diplomats — Plural form of diplomat.
- diplontic — (of an alga or other lower plant) having a life cycle in which the main form, except for the gametes, is diploid.
- diplopods — Plural form of diplopod.
- diplotene — a late stage of prophase during meiosis, in which the chromatid pairs of the tetrads begin to separate and chiasmata can be seen.
- diplozoic — (of certain animals) bilaterally symmetrical
- diplozoon — a type of parasitic flatworm that exists as a pair of worms fused together in an X shape. Diplozoa fuse after meeting as two juvenile individuals (genus Diporpae) and are parasitic on the gills of fish
- 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.