15-letter words starting with d
- determinateness — The state or quality of being determinate.
- detribalisation — Alternative form of detribalization.
- detribalization — to cause to lose tribal allegiances and customs, chiefly through contact with another culture.
- deus ex machina — (in ancient Greek and Roman drama) a god introduced into a play to resolve the plot
- deuteranomalous — having deuteranomaly; relating to deuteranomaly
- deuterium oxide — heavy water.
- deuteronomistic — one of the writers of material used in the early books of the Old Testament.
- deutsches reich — former German name of Germany.
- developing bath — an amount of photographic developer into which photographic film or paper is inserted
- developing tank — a container used to develop photographic film and which enables the film to be developed in daylight
- developmentally — the act or process of developing; growth; progress: child development; economic development.
- devitrification — The formation of small crystals in a glass as a result of slow cooling from the molten state.
- dexfenfluramine — an adrenergic drug, a form of fenfluramine, formerly used in treating obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- dextrosinistral — left-handed, but having the right hand trained for writing.
- dezincification — removal of zinc.
- diadochokinesia — the normal ability to perform rapidly alternating muscular movements, as flexion and extension.
- diadochokinesis — the normal ability to perform rapidly alternating muscular movements, as flexion and extension.
- diagonal matrix — a square matrix in which all the entries except those along the diagonal from upper left to lower right are zero.
- diagonalisation — (UK) In matrix algebra, the process of converting a square matrix into a diagonal matrix, usually to find the eigenvalues of the matrix.
- diagonalization — (in linear algebra) the process of diagonalizing
- diaheliotropism — the tendency among plants to respond to the light of the sun by orienting their leaves perpendicular to the sun's rays, such that the upper surface of the leaves receives maximum light
- dialectological — Of or relating to dialectology.
- diallyl sulfide — allyl sulfide.
- diamine oxidase — an enzyme, occurring in the digestive system, that inactivates histamine by removal of its amino group
- diamond cutting — the art or work of cutting and shaping rough diamonds to make them suitable for use by the jewellery trade
- diamond jubilee — A diamond jubilee is the sixtieth anniversary of an important event.
- diamond wedding — the 60th, or occasionally the 75th, anniversary of a marriage
- diaphototropism — growth of a plant or plant part in a direction transverse to that of the light
- diastereoisomer — a type of isomer that differs in the spatial arrangement of atoms in the molecule, but is not a mirror image; a stereoisomer that is not an enantiomer
- diastrophically — in a diastrophic fashion
- dichlorobenzene — any of a group of three insoluble isomeric chemical compounds used in solvents, insecticides, and dyes
- dichloromethane — a noxious colourless liquid widely used as a solvent, e.g. in paint strippers. Formula: CH2Cl2
- dichotomisation — Alternative spelling of dichotomization.
- dichotomization — The act of dichotomizing or the thing dichotomized; classification.
- dichotomous key — a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified
- dichotomousness — the quality of being dichotomous
- dichroic filter — an optical colour filter operating on the principle of wave interference between closely spaced reflecting surfaces, rather than by colour absorption
- dictation speed — a speed of speaking that enables someone to take down what is being said
- dictatorialness — The state or quality of being dictatorial.
- dideoxycytidine — The drug zalcitabine.
- die standing up — to cease to live; undergo the complete and permanent cessation of all vital functions; become dead.
- dielectric lens — a lens constructed of a material that converges or diverges a beam of electromagnetic radiation of radio frequency
- dielectric loss — the loss of power in a dielectric caused by the loss of energy in the form of heat generated by an electric field.
- diesel-electric — having an electric motor powered directly by an electric generator or by batteries charged by the generator, with the generator being driven by a diesel engine: a diesel-electric locomotive.
- difference ring — a ring whose elements are cosets with respect to a given ideal.
- differentiating — to form or mark differently from other such things; distinguish.
- differentiation — Biology. the process by which cells or tissues change from relatively generalized to specialized kinds, during development.
- differentiative — That differentiates, or causes differentiation.
- differentiators — Plural form of differentiator.
- diffractometers — Plural form of diffractometer.