12-letter words containing h, r, d, i, a
- chondrostian — relating to the class Chondrostei of fish with fin rays
- choroid coat — a pigmented, highly vascular membrane of the eye that is continuous with the iris and lies between the sclera and the retina, functioning to nourish the retina and absorb scattered light.
- chromic acid — an unstable dibasic oxidizing acid known only in solution and in the form of chromate salts. Formula: H2CrO4
- cigar holder — a mouthpiece of wood, ivory, etc, used for holding a cigar while it is smoked
- cigar-shaped — resembling a cigar in shape
- cinder patch — a defect on steel caused by the accidental picking up of matter, as from the bottom of a soaking pit.
- clearsighted — seeing clearly
- coach driver — a person who drives a coach
- coachbuilder — (historical) A builder of horse-drawn coaches.
- code-sharing — a commercial agreement between two airlines that allows passengers to use a ticket from one airline to travel on another
- curly-haired — having hair that forms curls
- cyanohydrins — Plural form of cyanohydrin.
- daphnephoria — an ancient Greek festival in honor of Apollo.
- daughterlike — Resembling a daughter.
- daughterling — a small daughter
- dead freight — an amount owed by a contractor who charters space in a ship but fails to occupy it fully.
- death spiral — a period of continuous deterioration that leads ultimately to catastrophic failure or destruction
- debaucheries — Plural form of debauchery.
- dechlorinate — to remove chlorine from (a substance)
- decipherable — to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
- demographics — data resulting from the science of demography; population statistics
- demographies — the science of vital and social statistics, as of the births, deaths, diseases, marriages, etc., of populations.
- dermographia — dermatographia.
- dermographic — dermatographia.
- diarthrodial — a form of articulation that permits maximal motion, as the knee joint.
- diastrophism — the process of movement and deformation of the earth's crust that gives rise to large-scale features such as continents, ocean basins, and mountains
- diathermancy — the property of transmitting infrared radiation
- 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
- dichromatism — the quality or condition of being dichromatic
- dictatorship — Dictatorship is government by a dictator.
- dining chair — high-backed chair used at dinner table
- disaccharide — any of a group of carbohydrates, as sucrose or lactose, that yield monosaccharides on hydrolysis.
- disauthorize — to take authority away from (a person or organization)
- discographer — a person who compiles discographies.
- discographic — of or relating to a discography
- disenchanter — One who disenchants.
- disfranchise — to deprive (a person) of a right of citizenship, as of the right to vote.
- disharmonize — (intransitive) To cause disorder.
- disheartened — to depress the hope, courage, or spirits of; discourage.
- dishonorable — showing lack of honor or integrity; ignoble; base; disgraceful; shameful: Cheating is dishonorable.
- dishonorably — In a dishonorable manner.
- distraughtly — distracted; deeply agitated.
- dithyrambist — a writer or performer of dithyrambs
- dolphinarium — An aquarium in which dolphins are kept and trained for public entertainment.
- dorothea dix — Dorothea Lynde [lind] /lɪnd/ (Show IPA), (Dorothy) 1802–87, U.S. educator and social reformer.
- dragon light — a herbal remedy for impotence
- drift anchor — a sea anchor or drag.
- drug holiday — a brief period during which a patient stops taking a prescribed medication, especially an antidepressant, to recover some normal functions, reduce side effects, or maintain sensitivity to the drug.
- drum machine — a device that simulates percussion sounds in various combinations and rhythms, and can alter digitally stored drum sounds or make digital recordings of drum sounds.
- dysrhythmias — Plural form of dysrhythmia.