9-letter words containing h, o, p, n
- omnigraph — a device for converting Morse Code signals that are punched on a tape into audio signals, used in the training of telegraph operators.
- ondograph — an instrument for graphically recording oscillatory variations, as in alternating currents.
- open shop — a factory, office, or other business establishment in which a union, chosen by a majority of the employees, acts as representative of all the employees in making agreements with the employer, but in which union membership is not a condition of employment.
- opisthion — (anatomy) The middle of the posterior, or dorsal, margin of the great foramen of the skull.
- oppenheim — E(dward) Phillips, 1866–1946, English novelist.
- optophone — an electronic device that scans ordinary printed characters and produces combinations of sounds, enabling a blind reader to recognize the characters.
- orphanage — an institution for the housing and care of orphans.
- orphaning — Present participle of orphan.
- orpharion — (music) A musical instrument of the Renaissance, part of the cittern family, whose metal strings are tuned like a lute's and plucked with the fingers.
- orthopnea — difficult or painful breathing except in an erect sitting or standing position.
- ownership — the state or fact of being an owner.
- panchetto — a Renaissance chair having three splayed legs and a shaped back joined into a solid wooden seat.
- pansophic — universal wisdom or knowledge.
- panthenol — pantothenyl alcohol
- pantihose — (used with a plural verb) a one-piece, skintight garment worn by women, combining panties and stockings.
- pantyhose — (used with a plural verb) a one-piece, skintight garment worn by women, combining panties and stockings.
- parathion — a deep-brown to yellow, poisonous liquid, C 1 0 H 1 4 NO 5 PS, used as an insecticide.
- parhelion — a bright circular spot on a solar halo; a mock sun: usually one of two or more such spots seen on opposite sides of the sun, and often accompanied by additional luminous arcs and bands.
- parsonish — like a parson
- parthenon — the temple of Athena Parthenos on the Acropolis at Athens, completed c438 b.c. by Ictinus and Callicrates and decorated by Phidias: regarded as the finest Doric temple.
- parthenos — an epithet of Athena, meaning “virgin.”.
- pathogens — any disease-producing agent, especially a virus, bacterium, or other microorganism.
- pathogeny — the production and development of disease.
- pawn shop — shop that makes loans on personal property
- pay phone — a public telephone requiring that the caller deposit coins or use a credit card to pay for a call.
- penholder — a holder in which a penpoint is placed.
- penthouse — an apartment or dwelling on the roof of a building, usually set back from the outer walls.
- percheron — one of a French breed of draft horses, having a gray or black coat.
- phanotron — a hot-cathode gas diode.
- pharaonic — (sometimes lowercase) of or like a Pharaoh: living in Pharaonic splendor.
- pharyngo- — pharynx
- phasedown — an act or instance of phasing down; gradual reduction.
- phaseolin — a type of proteid that is present in the kidney bean
- phellogen — cork cambium, a layer of tissue or secondary meristem external to the true cambium, giving rise to cork tissue.
- phelonion — a liturgical vestment resembling a chasuble.
- phenetole — a colorless, volatile, aromatic, water-insoluble liquid, C 8 H 1 0 O.
- phenocopy — the observed result of an environmentally induced, nongenetic alteration of a phenotype to a form that resembles the expression of a known genetic mutation.
- phenogram — a diagram depicting taxonomic relationships among organisms based on overall similarity of many characteristics without regard to evolutionary history or assumed significance of specific characters: usually generated by computer.
- phenolate — Also called phenoxide. a salt of phenol, as sodium phenolate, C 6 H 5 ONa.
- phenolics — any of the class of thermosetting resins formed by the condensation of phenol, or of a phenol derivative, with an aldehyde, especially formaldehyde: used chiefly in the manufacture of paints and plastics and as adhesives for sandpaper and plywood.
- phenolion — phelonion.
- phenology — the science dealing with the influence of climate on the recurrence of such annual phenomena of animal and plant life as budding and bird migrations.
- phenomena — a plural of phenomenon.
- phenotype — the observable constitution of an organism.
- phenoxide — phenolate (def 1).
- phenytoin — a barbiturate-related substance, C 1 5 H 1 2 N 2 O 2 , used as an anticonvulsant in the treatment of grand mal epilepsy and in focal seizures.
- pheromone — any chemical substance released by an animal that serves to influence the physiology or behavior of other members of the same species.
- philogyny — love of or liking for women.
- philopena — a custom, presumably of German origin, in which two persons share the kernels of a nut and determine that one shall receive a forfeit from the other at a later time upon the saying of a certain word or the performance of a certain action.
- phlorizin — a bitter, crystalline glucoside, C 2 1 H 2 4 O 1 0 , obtained from the root bark of the apple, pear, cherry, etc.: formerly used as a tonic and in the treatment of malaria; now used chiefly in biochemical research.