13-letter words containing d, i, u, r, o
- house-trained — housebroken.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- 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 vigour — the increased size, strength, etc, of a hybrid as compared to either of its parents
- hydromedusoid — a jellyfish or something resembling a jellyfish that lives in water
- hydronium ion — the hydrogen ion bonded to a molecule of water, H 3 O + , the form in which hydrogen ions are found in aqueous solution.
- hydrosulfides — Plural form of hydrosulfide.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hydrosulphide — a compound containing the univalent group –HS.
- hydrosulphite — hyposulfite (def 1).
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hypochondrium — either of two regions of the abdomen, situated on each side of the epigastrium and above the lumbar regions.
- ill-nourished — underfed or inadequately fed
- in due course — a direction or route taken or to be taken.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- indo-european — a large, widespread family of languages, the surviving branches of which include Italic, Slavic, Baltic, Hellenic, Celtic, Germanic, and Indo-Iranian, spoken by about half the world's population: English, Spanish, German, Latin, Greek, Russian, Albanian, Lithuanian, Armenian, Persian, Hindi, and Hittite are all Indo-European languages. Compare family (def 14).
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- inductothermy — the production of fever by means of electromagnetic induction.
- industriously — working energetically and devotedly; hard-working; diligent: an industrious person.
- inner product — Also called dot product, scalar product. the quantity obtained by multiplying the corresponding coordinates of each of two vectors and adding the products, equal to the product of the magnitudes of the vectors and the cosine of the angle between them.
- inodorousness — the quality of being inodorous
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- introducement — (obsolete) introduction.
- introductions — Plural form of introduction.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- junior doctor — a doctor in postgraduate training
- jurisdictions — Plural form of jurisdiction.
- lepidopterous — belonging or pertaining to the Lepidoptera, an order of insects comprising the butterflies, moths, and skippers, that in the adult state have four membranous wings more or less covered with small scales.
- leucitohedron — a trapezohedron
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- loop diuretic — any of a group of diuretics, including frusemide, that act by inhibiting resorption of salts from Henle's loop of the kidney tubule
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- ludicrousness — The state or quality of being ludicrous.
- mandibuliform — Having the form of a mandible; - said especially of the maxill\u00e6 of an insect when hard and adapted for biting.
- measuring rod — ruler, gauge, stick for measuring
- medium bomber — a moderately large airplane capable of carrying large bomb loads for moderate distances at medium altitudes, especially one having a gross loaded weight of 100,000 to 250,000 pounds (45,000 to 113,000 kg).
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- middle course — an option or alternative between more extreme alternatives
- middle ground — an intermediate position, area, or recourse between two opposites or extremes; a halfway or neutral standpoint.
- middleborough — a town in SE Massachusetts.
- middlesbrough — a seaport in NE England, on the Tees estuary.
- milk products — dairy produce, items made with milk
- minimum order — A minimum order is the smallest amount or number that may be ordered in one delivery, usually to spread delivery costs over an economical number of units.
- misconfigured — Simple past tense and past participle of misconfigure.
- misdemeanours — Plural form of misdemeanour.
- mispronounced — Said wrongly.
- misunderstood — improperly understood or interpreted.
- mound builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.