10-letter words containing h, o, a, r
- photomural — a wall decoration consisting of a very large photograph or photographs.
- phylloxera — any of several plant lice of the genus Phylloxera, especially P. vitifoliae (grape phylloxera) which attacks the leaves and roots of grapevines.
- physiocrat — one of a school of political economists who followed Quesnay in holding that an inherent natural order properly governed society, regarding land as the basis of wealth and taxation, and advocating a laissez-faire economy.
- pictograph — pictogram
- pileorhiza — a calyptra
- planograph — (formerly) to print from a flat surface.
- polyarchic — a form of government in which power is vested in three or more persons.
- polygraphy — a code
- polyhedral — of, relating to, or having the shape of a polyhedron.
- preholiday — relating to the period before a holiday
- prognathic — having protrusive jaws; having a gnathic index over 103.
- promethean — of or suggestive of Prometheus.
- prothallus — prothallium.
- protohuman — of, relating to, or resembling extinct hominid populations that had some but not all the features of modern Homo sapiens.
- psychogram — a message believed to be written by a spirit or authored by psychical means
- punchboard — a small board containing holes filled with slips of paper printed with concealed numbers that are punched out by a player in an attempt to win a prize.
- pyrography — the process of burning designs on wood, leather, etc., with a heated tool.
- pyrophobia — an abnormal fear of fire.
- pyrrophyta — a phylum in the kingdom Protista comprising the dinoflagellates and cryptomonads.
- pythagoras — c582–c500 b.c, Greek philosopher, mathematician, and religious reformer.
- quebrachos — Plural form of quebracho.
- race-horse — a horse bred or kept for racing, especially in flat races or steeplechases.
- racehorses — Plural form of racehorse.
- rachiotomy — (surgery) The surgical procedure of cutting, or making an incision in a vertebra.
- radiograph — Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.
- radiophare — a radiotelegraphic station used by vessels to determine their positions; radio beacon.
- radiophone — a radiotelephone.
- radiophoto — an image created by radio waves rather than light
- raree show — peep show.
- rawsthorne — Alan. 1905–71, English composer, whose works include three symphonies, several concertos, and a set of Symphonic Studies (1939)
- razor-thin — A razor-thin majority or profit is a very small one.
- reapproach — to come near or nearer to: The cars slowed down as they approached the intersection.
- red kowhai — parrot's-bill.
- regal moth — a large moth, Citheronia regalis, having yellow spots on gray to olive forewings and on orange-red hind wings.
- renography — x-ray examination of the kidney following injection of a radiopaque substance.
- reproached — to find fault with (a person, group, etc.); blame; censure.
- restharrow — a low, pink-flowered European shrub, Ononis spinosa, of the legume family, having tough roots that hinder the plow or harrow.
- rhabdolith — a minute rodlike structure, believed by some to be algae, found at the bottom and the surface of the ocean, and which is composed of calcium carbonate, calcium or limestone
- rhabdomere — one of the many parts that makes up a rhabdom
- rhapsodist — a person who rhapsodizes.
- rhapsodize — to talk with extravagant enthusiasm.
- rheostatic — an adjustable resistor so constructed that its resistance may be changed without opening the circuit in which it is connected, thereby controlling the current in the circuit.
- rhetorical — used for, belonging to, or concerned with mere style or effect.
- rheumatoid — resembling rheumatism.
- rhinolalia — a nasal tone to the voice which is caused by a defect in the nasal passages
- rhinophyma — a red-coloured bump or bumps on the nose which form as a result of enlarged sebaceous glands and rosacea
- rhinorrhea — an excessive discharge of mucus from the nose.
- rhinotheca — the covering of the upper part of the beak in birds
- rhizoplane — the part of the root of a plant that is near the soil surface
- rhodophane — the red colour found in the inner cones of the retina in animals