13-letter words containing e, d, r, l
- hold a grudge — be resentful
- hold the fort — a strong or fortified place occupied by troops and usually surrounded by walls, ditches, and other defensive works; a fortress; fortification.
- hold together — not fall apart
- holiday-maker — vacationer.
- holidaymakers — Plural form of holidaymaker.
- holyroodhouse — a royal palace in Edinburgh in Scotland: official residence of the Queen when in Scotland; begun in 1501 by James IV of Scotland; scene of the murder of David Rizzio in 1566
- home delivery — delivery to one's home
- 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.
- horned scully — a tapered block of concrete with projecting steel rails, placed under water to tear holes in the bottoms of boats.
- household art — any of the skills necessary to the efficient running of a household, as cooking or keeping a family budget.
- 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.
- hydroairplane — a hydroplane.
- hydrocephalic — of or relating to hydrocephalus.
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- 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.
- hydroelectric — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulphate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulphide — a compound containing the univalent group –HS.
- hydrosulphite — hyposulfite (def 1).
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hydroxymethyl — (organic chemistry, especially in combination) The univalent radical HO-CH2-.
- hyperboloidal — Having the shape or form of a hyperboloid.
- hyperdactylia — the presence of extra fingers or toes.
- hyperinflated — to subject to hyperinflation: hyperinflated prices.
- hyperlordosis — Particularly severe lordosis.
- ideal crystal — a crystal in which there are no defects or impurities
- ideal mixture — An ideal mixture is a mixture in which the concentration of any part taken from it is the same as the average for the whole.
- ideographical — Alternative form of ideographic.
- ile de france — a former province in N France, including Paris and the region around it.
- Île-de-france — a region of N France, in the Paris Basin: part of the duchy of France in the 10th century
- ill-nourished — underfed or inadequately fed
- imponderables — Plural form of imponderable.
- impredictable — (nonstandard) unpredictable.
- improvidently — In an improvident manner.
- inadvertently — unintentional: an inadvertent insult.
- inarticulated — Not articulated; not connected by a joint.
- incredibility — so extraordinary as to seem impossible: incredible speed.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- indescribable — not describable; too extraordinary for description: a scene of indescribable confusion; indescribable euphoria.
- indescribably — not describable; too extraordinary for description: a scene of indescribable confusion; indescribable euphoria.
- indifferently — without interest or concern; not caring; apathetic: his indifferent attitude toward the suffering of others.
- indiscernible — not discernible; that cannot be seen or perceived clearly; imperceptible.
- indiscernibly — In a way that cannot be discerned.
- indiscerpible — (obsolete) Not discerpible; inseparable.
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- industrialise — Non-Oxford British standard spelling of industrialize.