13-letter words containing r, o, a, d, h, l
- hand controls — a set of controls in some cars, operated by hand, that have the same function as the accelerator, brake, and clutch pedals
- hard shoulder — The hard shoulder is the area at the side of a motorway or other road where you are allowed to stop if your car breaks down.
- harold burton — Harold Hitz [hits] /hɪts/ (Show IPA), 1888–1964, associate justice of the U.S. Supreme Court 1945–58.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- hold a grudge — be resentful
- holiday-maker — vacationer.
- holidaymakers — Plural form of holidaymaker.
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- 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.
- 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.
- 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.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- 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.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hyperboloidal — Having the shape or form of a hyperboloid.
- ideographical — Alternative form of ideographic.
- interchondral — of or relating to cartilage or a cartilage.
- landownership — an owner or proprietor of land.
- lead chromate — a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.
- leather goods — products made of animal skin
- leopard shark — a small, inshore shark, Triakis semifasciata, having distinctive black markings across the back, inhabiting Pacific coastal waters from Oregon through California.
- life-or-death — life-and-death.
- lizard orchid — a European orchid, Himantoglossum hircinum, rare in Britain, having a spike of grey-green flowers smelling of goats
- look ahead lr — Look Ahead Left-to-right parse, Rightmost-derivation
- losing hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- milford haven — a bay in SW Wales.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- north holland — a province in W Netherlands. 1163 sq. mi. (3010 sq. km). Capital: Haarlem.
- oil hardening — to quench (steel) in a bath of oil.
- openheartedly — Alt form open-heartedly.
- orchard valve — an alfalfa valve of lesser diameter than the pipe it closes.
- orchid family — the plant family Orchidaceae, characterized by terrestrial or epiphytic herbaceous plants having simple, parallel-veined, usually alternate leaves, complex and often large and showy flowers pollinated primarily by insects, and fruit in the form of a capsule containing numerous minute seeds, and including calypso, fringed orchis, lady's-slipper, pogonia, rattlesnake plantain, vanilla, as well as numerous tropical orchids such as those of the genera Cattleya, Cymbidium, Dendrobium, Phalaenopsis, and Vanda.
- orthodiagonal — the axis in a crystal
- orthopaedical — Pertaining to orthopaedics; characteristic of orthopaedia.
- pandora shell — any marine bivalve of the genus Pandora, having a scimitar-shaped shell with a pronounced ridge along the hinge.
- patent holder — a person or company that holds a patent
- poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
- pre-adulthood — of or relating to the period prior to adulthood: preadult strivings for independence.
- quadrillionth — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- radiochemical — pertaining to or involving radiochemistry.
- ragged school — (in Britain, formerly) a free elementary school for poor children
- roman holiday — a public spectacle or controversy marked by barbarism, vindictiveness, or scandal.
- scalenohedral — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.
- scalenohedron — a hemihedral crystal form of 8 or 12 faces, each face being a scalene triangle.