15-letter words containing o, r, d, a, i
- 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
- dichloromethane — a noxious colourless liquid widely used as a solvent, e.g. in paint strippers. Formula: CH2Cl2
- dictatorialness — The state or quality of being dictatorial.
- differentiation — Biology. the process by which cells or tissues change from relatively generalized to specialized kinds, during development.
- differentiators — Plural form of differentiator.
- diffractometers — Plural form of diffractometer.
- diffractometric — Relating to diffractometry; measured using a diffractometer.
- dilatory motion — a formal proposal to be discussed and voted on in a debate whose effect is to interrupt the business under discussion at the time
- dionysius thrax — c100 b.c, Greek grammarian.
- direct taxation — Direct taxation is a system in which a government raises money by means of direct taxes.
- direction angle — an angle made by a given vector and a coordinate axis.
- disarticulation — The act of disarticulating.
- disconfirmation — to prove to be invalid.
- discoordination — Impaired coordination.
- discount market — a trading market in which notes, bills, and other negotiable instruments are discounted.
- discretionarily — subject or left to one's own discretion.
- discriminations — Plural form of discrimination.
- dishwasherproof — (of dishes, cooking utensils, etc.) able to withstand washing in an automatic dishwasher without breaking, chipping, fading, etc.
- disincorporated — Simple past tense and past participle of disincorporate.
- disinflationary — (economics) Exhibiting or causing reduced inflation.
- disintegrations — the act or process of disintegrating.
- disorganisation — Alternative spelling of disorganization.
- disorganization — a breaking up of order or system; disunion or disruption of constituent parts.
- disorientations — Plural form of disorientation.
- disproportional — not in proportion; disproportionate.
- disquisitionary — of or relating to a disquisition
- dissatisfactory — causing dissatisfaction; unsatisfactory: dissatisfactory service.
- distributor cap — the cap of an engine's distributor that holds in place the wires from the distributor to the sparking plugs
- dithiocarbamate — any salt or ester of dithiocarbamic acid, commonly used as fungicides
- diversification — the act or process of diversifying; state of being diversified.
- do your head in — If something or someone does your head in, they make you angry or frustrated.
- doctoral thesis — a thesis written as part of a doctorate
- dolomite marble — coarse-grained dolomite.
- domain maturity — (systems analysis) The level of stability and depth of understanding that has been achieved in an area for which applications are developed.
- domain squatter — (web) An unscrupulous person who registers a domain name in the hope of selling it to the rightful, expected owner at a profit. E.g. http://foldoc.com/.
- dominical altar — a high altar.
- domitae naturae — (of animals) tamed or domesticated (distinguished from ferae naturae).
- donnybrook fair — a fair which until 1855 was held annually at Donnybrook, County Dublin, Ireland, and which was famous for rioting and dissipation.
- dorsibranchiate — having branchiae or gills along the back
- dorsiventrality — The quality of being dorsiventral.
- dorsoventrality — Zoology. pertaining to the dorsal and ventral aspects of the body; extending from the dorsal to the ventral side: the dorsoventral axis.
- double in brass — twice as large, heavy, strong, etc.; twofold in size, amount, number, extent, etc.: a double portion; a new house double the size of the old one.
- double integral — an integral in which the integrand involves a function of two variables and that requires two applications of the integration process to evaluate.
- draughtproofing — Present participle of draughtproof.
- drawing account — an account used by a partner or employee for cash withdrawals.
- drift indicator — an instrument that indicates the amount of drift of an aircraft.
- drip irrigation — a system of crop irrigation involving the controlled delivery of water directly to individual plants through a network of tubes or pipes.
- dwarf poinciana — royal poinciana.