13-letter words containing r, u, s, o
- house sparrow — a small, hardy, buffy-brown and gray bird, Passer domesticus, of Europe, introduced into America, Australia, etc.
- house surgeon — a surgeon who lives in a hospital in which he or she is on call.
- house trailer — a trailer fitted with accommodations for sleeping, eating, washing, etc.
- house-raising — a gathering of persons in a rural community to help one of its members build a house.
- house-trained — housebroken.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housebreakers — Plural form of housebreaker.
- housebreaking — to train (a pet) to excrete outdoors or in a specific place.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- household art — any of the skills necessary to the efficient running of a household, as cooking or keeping a family budget.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housewarmings — Plural form of housewarming.
- housing start — an instance of beginning the construction of a dwelling.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- humorlessness — The state, quality, or condition of lacking humor.
- hunt saboteur — A hunt saboteur is someone who tries to stop a hunt from taking place or being successful because they believe it is cruel to the animal being hunted.
- hunter's moon — the first full moon following the harvest moon in late September or early October.
- hunter's robe — pothos.
- 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.
- 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.
- hydromedusoid — a jellyfish or something resembling a jellyfish that lives in water
- 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).
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- hypercautious — Especially or unreasonably cautious.
- hypertrophous — relating to hypertrophy
- hypoperfusion — (medicine) Decreased perfusion of blood through an organ.
- 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
- hysteranthous — relating to a plant whose flowers open before its leaves
- ichthyosaurus — ichthyosaur.
- ill-nourished — underfed or inadequately fed
- illustrations — Plural form of illustration.
- illustriously — highly distinguished; renowned; famous: an illustrious leader.
- illustrissimo — most illustrious (esp as belonging to the Italian aristocracy)
- immunosorbent — an insoluble surface to which a specific antibody is attached for the purpose of removing the corresponding antigen from a solution or suspension.
- imperiousness — domineering in a haughty manner; dictatorial; overbearing: an imperious manner; an imperious person.
- importunities — Plural form of importunity.
- in due course — a direction or route taken or to be taken.
- inaugurations — Plural form of inauguration.
- income source — something that provides a regular supply of money, such as employment, investments, a pension etc
- incongruences — not congruent.
- incongruities — the quality or condition of being incongruous.
- incongruously — out of keeping or place; inappropriate; unbecoming: an incongruous effect; incongruous behavior.