13-letter words containing o, u, r, l
- holy thursday — Ascension Day.
- 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
- homework club — an after-school club where students can stay to do their homework
- homofullerene — (chemistry) Any of various compounds formally derived from a fullerene by the insertion of a methylene group between adjacent carbon atoms.
- honour school — (at Oxford University) one of the courses of study leading to an honours degree
- honourability — A state or condition or being honourable.
- horned scully — a tapered block of concrete with projecting steel rails, placed under water to tear holes in the bottoms of boats.
- horticultural — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hourly worker — an employee who is paid an hourly rate rather than a fixed salary
- house journal — a publication produced for the employees of a company or organization in order to keep them updated with news and events
- house slipper — a slipper worn in the house or indoors, often distinguished from a bedroom slipper by having a back and heel.
- house trailer — a trailer fitted with accommodations for sleeping, eating, washing, etc.
- household art — any of the skills necessary to the efficient running of a household, as cooking or keeping a family budget.
- humorlessness — The state, quality, or condition of lacking humor.
- 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.
- 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.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- 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.
- hyposulfurous — of or derived from hyposulfurous acid.
- hyposulphuric — relating to sulphur which is in a lower state of oxidation than it is in sulphuric compounds
- ill-nourished — underfed or inadequately fed
- illocutionary — pertaining to a linguistic act performed by a speaker in producing an utterance, as suggesting, warning, promising, or requesting.
- illuminometer — an instrument for measuring illumination.
- illustrations — Plural form of illustration.
- illustriously — highly distinguished; renowned; famous: an illustrious leader.
- illustrissimo — most illustrious (esp as belonging to the Italian aristocracy)
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- inclinatorium — an instrument invented by Robert Norman in 1576, used to determine the degree to which a magnetic needle dips towards the earth; a dipping needle
- incongruently — not congruent.
- incongruously — out of keeping or place; inappropriate; unbecoming: an incongruous effect; incongruous behavior.
- inconquerable — That cannot be conquered; unconquerable.
- inconstruable — unable to be construed
- incorruptable — Misspelling of incorruptible.
- incorruptible — not corruptible: incorruptible integrity.
- incorruptibly — In an incorruptible manner.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- inculturation — enculturation.
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- industriously — working energetically and devotedly; hard-working; diligent: an industrious person.
- infructuously — in an infructuous or unfruitful manner; fruitlessly
- inobtrusively — in an unobtrusive manner
- inopportunely — In an inopportune manner.
- inquisitorial — of or relating to an inquisitor or inquisition.
- instructional — the act or practice of instructing or teaching; education.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.