Showing 801 to 900 of 3,037.
- DEMOTICSThe area of knowledge relating to the care and culture of the people; sociology in its broadest sense.
- DENDRITEA slender projection of a nerve cell which conducts nerve impulses from a synapse to the body of the cell; a dendron.
- DENDRITICHaving a branching structure similar to a tree.
- DENSEHaving relatively high density.
- DEONTICPertaining to necessity, duty or obligation, or expressions conveying this.
- DERMAnimal skin.
- DERMAThe inner layer of the skin.
- DERMATICOf or relating to the skin.
- DERMATOLOGYThe study of the skin and its diseases.
- DERMISThe tissue of the skin underlying the epidermis.
- DESMINEThe mineral stilbite.
- DESPOTA ruler with absolute power; a tyrant.
- DEUTERAGONISTA secondary character; specifically, the second most important character (after the protagonist).
- DEUTERIUMAn isotope of hydrogen with one proton and one neutron in each atom - 21H.
- DEUTEROGAMYA second marriage, after the death of the first husband or wife; in distinction from bigamy, as defined in the old canon law.
- DEUTERONthe nucleus of deuterium, consisting of a proton and a neutron
- DIABASEA fine-grained igneous rock composed mostly of pyroxene and feldspar.
- DIABETESDiabetes mellitus; any of a group of metabolic diseases whereby a person (or other animal) has high blood sugar due to an inability to produce, or inability to metabolize, sufficie
- DIABOLICOf, being, or pertaining to a devil or the Devil.
- DIABOLOA juggling apparatus consisting of a spool which is whirled and tossed on a string attached to handsticks.
- DIACHYLONA plaster originally composed of the juices of several plants, later made of an oxide of lead and oil, and consisting essentially of glycerine mixed with lead salts of the fat acid
- DIACTINEdiactinal; having two rays
- DIADEMAn ornamental headband worn as a badge of royalty.
- DIAGENESISAll the chemical, physical, and biological changes sediment goes through during and after lithification, not including weathering or other surface changes.
- DIAGNOSISThe process of, or an instance of, identification of the nature and cause of a medical condition or illness.
- DIAGNOSTICOf, or relating to diagnosis.
- DIAGONALJoining two nonadjacent vertices (of a polygon or polyhedron).
- DIAGRAMA plan, drawing, sketch or outline to show the function or operation of something, or to show the relationships between the parts of a whole.
- DIAGRAPHA drawing instrument that combines a protractor and scale.
- DIALECTA lect (often a regional or minority language) as part of a group or family of languages, especially if they are viewed as a single language, or if contrasted with a standardized i
- DIALOGICOf or relating to dialogue.
- DIALOGUEA conversation or other form of discourse between two or more individuals.
- DIALYSISA method of separating molecules or particles of different sizes by differential diffusion through a semipermeable membrane.
- DIALYTICRelating to, or producing dissolution
- DIAMANTEAn artificial diamond used as adornment, such as a rhinestone.
- DIAMETERAny straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of the circle.
- DIANOETICPertaining to reason or thinking; intellectual.
- DIANOIADiscursive thought on mathematical or scientific subjects.
- DIANOIASDiscursive thought on mathematical or scientific subjects.
- DIAPASONThe musical octave.
- DIAPAUSEA temporary pause in the growth and development of an organism due to adverse environmental conditions (especially in insects and in the embryos of many of the oviparous species of
- DIAPENTEThe interval of the fifth or the harmonic ratio 3:2.
- DIAPHANOUSTransparent or translucent; allowing light to pass through; capable of being seen through.
- DIAPHONYA form of harmony in which the parts proceeded by parallel motion in fourths, fifths, and octaves.
- DIAPHORETICGenerating sweat or perspiration.
- DIAPHRAGMIn mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs.
- DIAPIRAn intrusion of a ductile rock into an overburden.
- DIASPORAThe dispersion of a group in a manner comparable to that of the Jews among the Gentiles after the Babylonian captivity (6th century BCE).
- DIASPOREA natural hydrate of aluminium, sometimes forming stalactites.
- DIASTEMAA gap or space between two adjacent teeth, especially the upper front incisors (in humans).
- DIASTERA double star; applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter
- DIASTOLEThe phase or process of relaxation and dilation of the heart chambers, between contractions, during which they fill with blood; an instance of the process.
- DIATHERMANOUSHaving the property of transmitting radiant heat; diathermal.
- DIATOMAny of a group of minute unicellular algae having a siliceous covering of great delicacy, now categorized as class Diatomophyceae or division Bacillariophyta.
- DIATONICRelating to or characteristic of a musical scale which contains seven pitches and a pattern of five whole tones and two semitones; particularly, of the major or natural minor scale
- DIATRIBEAn abusive, bitter verbal or written attack, criticism or denunciation.
- DICASTA kind of juror.
- DICASTERYA ministry or department of the Roman Curia of the Holy See, whether administrative or ecclesiastical.
- DICHASIUMA cymose inflorescence with all branches below the terminal flower in regular opposite pairs.
- DICHOGAMIESThe condition in which an organism changes sex during its lifetime.
- DICHOGAMYThe condition in which an organism changes sex during its lifetime.
- DICHOTOMIZETo separate into two parts, to classify into two classes, or to categorize into two categories.
- DICHOTOMYA separation or division into two; a distinction that results in such a division.
- DICROTISMThe condition of each beat of the pulse consisting of two sphygmographic waves.
- DICTYOGENA plant with net-veined leaves and monocotyledonous embryos, belonging to the class Dictyogenae, proposed by Lindley for the families Dioscoreaceae, Smilacaceae, Trilliaceae, etc.
- DICYNODONTA member of the infraorder Dicynodontia of dominant herbivores of the Late Permian, the most successful group of non-mammalian synapsids.
- DIDACTA didactic person.
- DIDACTICInstructive or intended to teach or demonstrate, especially with regard to morality.
- DIDELPHOUSSynonym of didelphic.
- DIDYMIUMA mixture of praseodymium and neodymium once thought to be an element (symbol Di).
- DIDYMIUMSA mixture of praseodymium and neodymium once thought to be an element (symbol Di).
- DIEGESISA narration or recitation.
- DIEGETICOf or relating to diegesis; existing within a fictional universe (rather than as background), and able to be perceived by the characters.
- DIETThe food and beverage a person or animal consumes.
- DIETETICRelating to diet.
- DIGAMYA second marriage (as after the death or divorce of a spouse)
- DIGLOSSIAThe coexistence in a given population of two closely related native languages or dialects, one of which is regarded as more prestigious than the other; the similar coexistence of t
- DIGLOTA bilingual inscription, book, or person.
- DIGONEUTICHaving two broods per season.
- DIMEROUSIn two parts; having two parts in each whorl of a flower.
- DIMITYA light strong fabric with woven stripes or squares.
- DINICRelating to vertigo or dizziness.
- DINOSAURThose animals of the clade Dinosauria that existed during the Triassic, Jurassic and Cretaceous periods and are now extinct.
- DIOCESEAn administrative division of the later Roman Empire, established by the Herodian tetrarchy.
- DIODEAn electronic device that allows current to flow in one direction only; used chiefly as a rectifier.
- DIOECIESThe condition of being dioecious, namely having separate sexes, especially of plants.
- DIOECYThe condition of being dioecious, namely having separate sexes, especially of plants.
- DIOPSIDEA monoclinic pyroxene mineral, a magnesium calcium silicate with the chemical formula CaMgSi2O6, found in igneous and metamorphic rocks.
- DIOPTERA unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.
- DIORITEA grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.
- DIOTAA vase or drinking cup with two handles.
- DIPHYODONTHaving two successive sets of teeth (deciduous and permanent), one succeeding the other.
- DIPLOEThe thin layer of soft, spongy, or cancellate tissue between the bone plates which constitute the skull.
- DIPLOMAA document issued by an educational institution testifying that the recipient has earned a degree or has successfully completed a particular course of study.
- DIPLOMATA person, such as an ambassador, who is accredited to represent a government officially in its relations with other governments or international organisations
- DIPODYA unit of two metrical feet.
- DIPTERANAn insect of the large order Diptera; a fly.
- DIPTEROSA building with double peristyle or colonnade.
- DIPTYCHA writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within.
- DIRAMA Tajikistani coin; 100 dirams equal one somoni.