13-letter words containing h, i, d, y
- domino theory — a theory that if one country is taken over by an expansionist, especially Communist, neighbor, party, or the like, the nearby nations will be taken over one after another.
- dorothy dixer — a parliamentary question asked by a member of the government so that the minister may give a prepared answer
- dry lightning — lightning produced by a thunderstorm that is unaccompanied by rain
- dryopithecine — (sometimes initial capital letter) an extinct ape of the genus Dryopithecus, known from Old World Miocene fossils.
- dyothelitical — relating to dyotheletism
- dysmenorrheic — Of, pertaining to, or experiencing dysmenorrhea.
- endolymphatic — (anatomy) Pertaining to, or containing, endolymph.
- english daisy — a small perennial plant (Bellis perennis) of the composite family, having single stalked heads with white or pinkish ray flowers
- fluorohydride — (inorganic chemistry) An compound formed by the addition of the elements of hydrogen fluoride.
- foresightedly — In a foresighted manner.
- geohydrologic — relating to geohydrology
- gild the lily — to coat with gold, gold leaf, or a gold-colored substance.
- haemodialyses — Plural form of haemodialysis.
- haemodialysis — (medicine) the use of dialysis to remove waste products from the blood in the case of kidney failure.
- haemodialyzer — a piece of equipment used in haemodialysis to screen the blood to remove unwanted substances
- haemodynamics — a branch of physiology that deals with the circulation of the blood
- handleability — a part of a thing made specifically to be grasped or held by the hand.
- hardenability — The quality or degree of being hardenable.
- hasty pudding — New England. cornmeal mush.
- headmistressy — typical of the duties and behaviour of a headmistress
- helicoid cyme — an inflorescence, or cyme, in which each flowering branch gives rise to one lateral branch that is coiled snail-like and then expanded.
- herd immunity — the immunity or resistance to a particular infection that occurs in a group of people or animals when a very high percentage of individuals have been vaccinated or previously exposed to the infection.
- hexadactylism — Sexdactyly.
- high fidelity — sound reproduction over the full range of audible frequencies with very little distortion of the original signal.
- high holidays — either of two holy days of special significance, Rosh Hashanah or Yom Kippur.
- high holy day — either of two holy days of special significance, Rosh Hashanah or Yom Kippur.
- hip dysplasia — a genetic disorder, typically affecting young dogs of medium- to large-sized breeds, characterized by alteration and malformation of the hip joint.
- histodialysis — histolysis.
- holiday-maker — vacationer.
- holidaymakers — Plural form of holidaymaker.
- home delivery — delivery to one's home
- honey gilding — gilding of ceramics with a mixture of gold leaf and honey, later fired to fix the gold.
- hyaluronidase — Biochemistry. a mucolytic enzyme found in the testes, in snake venom, and in hemolytic streptococci and certain other bacteria, that decreases the viscosity of the intercellular matrix by breaking down hyaluronic acid.
- hybrid system — a way of working, organizing, or doing something that is composed of elements of two separate systems
- hybrid vigour — the increased size, strength, etc, of a hybrid as compared to either of its parents
- hybridisation — Alternative form of hybridization.
- hybridization — to cause to produce hybrids; cross.
- hydrargillite — gibbsite.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydrated lime — a soft, white, crystalline, very slightly water-soluble powder, Ca(OH) 2 , obtained by the action of water on lime: used chiefly in mortars, plasters, and cements.
- hydraulic ram — a device by which the energy of descending water is utilized to raise a part of the water to a height greater than that of the source.
- hydraulically — operated by, moved by, or employing water or other liquids in motion.
- hydraulicking — a type of mining that uses water to move rock
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydroairplane — a hydroplane.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydrocephalic — of or relating to hydrocephalus.
- hydrochloride — a salt, especially of an alkaloid, formed by the direct union of hydrochloric acid with an organic base that makes the organic constituent more soluble.
- hydrocolloids — Plural form of hydrocolloid.
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.