13-letter words containing d, e, h, a, i
- heaven forbid — You say 'Heaven forbid!' to emphasize that you very much hope that something will not happen.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- hemichordates — Plural form of hemichordate.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- heptaselenide — (chemistry) any selenide containing seven selenium atoms in each molecule.
- hereditaments — Plural form of hereditament.
- hereditarians — Plural form of hereditarian.
- hermaphrodism — the condition of being a hermaphrodite.
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hero sandwich — a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.
- herod agrippa — (Julius Agrippa) c10 b.c.–a.d. 44, king of Judea 41–44 (grandson of Herod the Great).
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroin addict — sb dependent on heroin
- hexactinellid — a type of sponge characterized by their (usually) six siliceous spicules or rays
- hexadactylism — Sexdactyly.
- hexanoic acid — caproic acid.
- hidden agenda — an often duplicitously undisclosed plan or motive.
- hide and seek — one of a variety of children's games in which, according to specified rules, one player gives the others a chance to hide and then attempts to find them.
- hide-and-seek — one of a variety of children's games in which, according to specified rules, one player gives the others a chance to hide and then attempts to find them.
- hold in leash — to control; curb; restrain
- holiday-maker — vacationer.
- holidaymakers — Plural form of holidaymaker.
- homoscedastic — having the same variance.
- horned lizard — an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse-trading — to bargain or trade shrewdly.
- horseradishes — Plural form of horseradish.
- house-trained — housebroken.
- 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.
- hydrargillite — gibbsite.
- 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.
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydroairplane — a hydroplane.
- hydrocephalic — of or relating to hydrocephalus.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperdactylia — the presence of extra fingers or toes.
- hyperinflated — to subject to hyperinflation: hyperinflated prices.
- hypolipidemia — (medicine) A lower than normal concentration of lipids in the blood.
- i-head engine — an internal-combustion engine with both intake and exhaust valves placed directly above the piston.
- ideographical — Alternative form of ideographic.
- ides of march — 15th March: ominous date
- in good shape — person: fit, healthy
- in order that — used to introduce a clause of purpose
- in the saddle — a seat for a rider on the back of a horse or other animal.
- indexing head — a circular plate mounted to rotate on its centre, inscribed with concentric circles, each accurately divided, the dimensions being marked by drilled holes. The plate can be moved round with a workpiece to facilitate the accurate location of holes or other machining operations on the workpiece
- interchondral — of or relating to cartilage or a cartilage.