12-letter words containing a, d, r, i
- diathermancy — the property of transmitting infrared radiation
- dibenzofuran — an organic compound (C12H8O) composed of two benzene rings fused to a central furan ring
- dibranchiate — of, relating to, or belonging to the Dibranchiata, a group or former order of cephalopod molluscs, including the octopuses, squids, and cuttlefish, having two gills
- dicarboxylic — containing two carboxyl groups in the molecule
- dicarpellary — having two carpels
- dichromatism — the quality or condition of being dichromatic
- dictatorship — Dictatorship is government by a dictator.
- dictionaries — Plural form of dictionary.
- dictionarist — (rare) a person who creates dictionaries.
- dictyopteran — any insect of the order Dictyoptera, which comprises the cockroaches and mantises
- diego garcia — chief island of the Chagos Archipelago, British Indian Ocean Territory: 17 sq mi (44 sq km)
- diégo-suarez — a seaport on N Madagascar.
- diesel train — a train hauled by a diesel locomotive or powered by a diesel engine
- diet pyramid — food pyramid (def 2).
- differentiae — Plural form of differentia.
- differential — of or relating to difference or diversity.
- diffrangible — capable of being diffracted
- digitigrades — Plural form of digitigrade.
- digressional — Pertaining to, or having the character of, a digression; departing from the main purpose or subject.
- dilacerating — Present participle of dilacerate.
- dilaceration — the act of dilacerating.
- dilatometers — Plural form of dilatometer.
- dilatoriness — tending to delay or procrastinate; slow; tardy.
- dimerization — (chemistry) Any chemical reaction in which two monomers react to form a dimer.
- dinaric alps — a mountain range in W Croatia, Bosnia-Herzegovina, and Serbia: connected with the main Alpine system by the Julian Alps. Highest peak: Troglav, 1913 m (6277 ft)
- dining chair — high-backed chair used at dinner table
- dinner dance — a formal social gathering that includes a dinner followed by dancing.
- dinner party — social gathering over evening meal
- dinner plate — a plate for holding an individual serving of the main course of a meal.
- dinner table — dining table.
- dinner-dance — a formal social gathering that includes a dinner followed by dancing.
- dinosaur pen — A traditional mainframe computer room complete with raised flooring, special power, its own ultra-heavy-duty air conditioning, and a side order of Halon fire extinguishers. See boa.
- diplocardiac — having the right and left sides of the heart somewhat or completely divided, as in birds and mammals.
- diprionidian — (of a graptolite) with a row of cellules or serrations on both sides
- dipropellant — bipropellant.
- dipyridamole — a yellow crystalline powder, C 24 H 40 N 8 O 4 , used prophylactically for angina pectoris and in combination with other drugs to reduce thrombus formation.
- direct labor — labor performed, as by workers on a production line, and considered in computing costs per unit of production.
- directorates — Plural form of directorate.
- disaccharide — any of a group of carbohydrates, as sucrose or lactose, that yield monosaccharides on hydrolysis.
- disaccordant — not agreeing
- disadventure — misfortune; bad luck
- disaggregate — to separate (an aggregate or mass) into its component parts.
- disagreeable — contrary to one's taste or liking; unpleasant; offensive; repugnant.
- disagreeably — In a disagreeable manner.
- disagreeance — (obsolete) disagreement.
- disagreement — the act, state, or fact of disagreeing.
- disappearing — Present participle of disappear.
- disapproving — Expressing an unfavorable opinion.
- disarranging — Present participle of disarrange.
- disassembler — A program for converting machine code into a low-level symbolic language.