13-letter words containing r, d, o
- hermaphrodite — an individual in which reproductive organs of both sexes are present. Compare pseudohermaphrodite.
- hermaphrodyte — (archaic) alternative spelling of hermaphrodite.
- 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
- hertfordshire — a county in SE England. 631 sq. mi. (1635 sq. km).
- heterodimeric — (chemistry) produced from two similar but different monomers.
- high-coloured — (of the complexion) deep red or purplish; florid
- histiophoroid — of or relating to the sailfish
- 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.
- hollow-ground — ground so as to produce a concave surface or surfaces behind a cutting edge: the hollow-ground blade of an ice skate.
- holy saturday — the Saturday in Holy Week.
- 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
- home delivery — delivery to one's home
- honey buzzard — a long-tailed Old World hawk, Pernis apivorus, that feeds on the larvae of bees as well as on small rodents, reptiles, and insects.
- hopper dredge — a self-propelled dredge having compartments in which the dredged material can be carried and dumped through hoppers.
- 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.
- hors d'oeuvre — a small bit of appetizing food, as spicy meat, fish, cheese, or a preparation of chopped or creamed foods, often served on crackers or small pieces of toast, for eating at cocktail parties or other gatherings where drinks are served with no other food.
- hors doeuvres — Hors d'oeuvres are small amounts of food served before the main course of a meal.
- horse breeder — a person who breeds horses
- 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.
- 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.
- 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
- hybridisation — Alternative form of hybridization.
- hybridization — to cause to produce hybrids; cross.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydroaerobics — aerobic exercises performed in water, as in a swimming pool.
- hydroairplane — a hydroplane.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- 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.
- hydrocolloids — Plural form of hydrocolloid.
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydroelectric — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.