15-letter words containing h, y, d
- diastrophically — in a diastrophic fashion
- 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
- dimethylaniline — a very toxic oily liquid used in industry to harden certain synthetic resins and as a solvent
- dimethylbenzene — xylene.
- dimethylmethane — propane.
- dimethylsulfide — Alternative spelling of dimethyl sulfide.
- dionysius thrax — c100 b.c, Greek grammarian.
- diphenhydramine — a white, crystalline, antihistaminic compound, C 17 H 21 NO, used orally, topically, and parenterally, especially for allergies.
- diphenyl ketone — benzophenone.
- disenchantingly — In a disenchanting manner.
- dishearteningly — In a disheartening manner.
- distinguishably — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- dithyrambically — In dithyrambic fashion.
- divided highway — a superhighway with a broad median strip, designed to prevent collisions, headlight glare, etc., between vehicles moving in opposite directions, and usually having limited or cloverleaf access.
- divinity school — a Protestant seminary.
- do the dirty on — to behave meanly or unkindly towards
- do your head in — If something or someone does your head in, they make you angry or frustrated.
- dougherty wagon — a horse- or mule-drawn passenger wagon having doors on the side, transverse seats, and canvas sides that can be rolled down.
- drying-up cloth — a tea towel
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- dysmorphophobic — relating to or affected with dysmorphophobia
- dystrophication — the process by which a body of water becomes dystrophic.
- eddystone light — lighthouse on dangerous rocks (Eddystone Rocks) just off the SE coast of Cornwall, in the English Channel
- eleutherodactyl — (of a bird) having the hind toe free
- endolymphangial — (anatomy) Within a lymphatic vessel.
- endomycorrhizal — Of or pertaining to endomycorrhiza.
- epichlorohydrin — an organic compound used as a solvent in resin-making
- ethylenediamine — A viscous liquid used in making detergents and emulsifying agents.
- faint-heartedly — nervously
- fair-haired boy — having light-colored hair.
- fairy godfather — a kindly sponsor or guardian; godfather.
- fairy godmother — a kindly sponsor or guardian; godmother.
- federal holiday — a day which is a national holiday at the behest of the Federal Government
- fetch and carry — to go and bring back; return with; get: to go up a hill to fetch a pail of water.
- flying dutchman — a legendary Dutch ghost ship supposed to be seen at sea, especially near the Cape of Good Hope.
- food technology — a branch of technology that is involved in the production of food
- forehand volley — a type of forehand shot played in tennis
- frederick henry — 1584–1647, prince of Orange and count of Nassau; son of William (I) the Silent
- fully fashioned — (of stockings, knitwear, etc) shaped and seamed so as to fit closely
- funny handshake — an elaborate handshake, indicating that someone belongs to a certain social group, etc
- general holiday — a public holiday
- gladbach-rheydt — a former city in W Germany; now part of Mönchengladbach.
- go by the board — If something goes by the board, it is rejected or ignored, or is no longer possible.
- good king henry — a European, chenopodiaceous weed, Chenopodium bonus-henricus, naturalized in North America, having spinachlike leaves.
- good-king-henry — a European, chenopodiaceous weed, Chenopodium bonus-henricus, naturalized in North America, having spinachlike leaves.
- goody two shoes — a goody-goody.
- goody two-shoes — goody-goody
- goody-two-shoes — a goody-goody.
- graphic display — the way in which line drawings and text are displayed
- graveyard shift — a work shift usually beginning at about midnight and continuing for about eight hours through the early morning hours.