9-letter words containing o, p, h, t
- pathology — the science or the study of the origin, nature, and course of diseases.
- pedorthic — (of footwear) designed to alleviate problems with feet, lower limbs, posture, etc
- penthouse — an apartment or dwelling on the roof of a building, usually set back from the outer walls.
- pesthouse — a house or hospital for persons infected with pestilential disease.
- petrichor — a distinctive scent, usually described as earthy, pleasant, or sweet, produced by rainfall on very dry ground.
- phacolite — a colorless variety of chabazite.
- phacolith — a layer of igneous rock, which has the structure of a lens, and which occurs in an invasive position in sedimentary rock
- phagocyte — any cell, as a macrophage, that ingests and destroys foreign particles, bacteria, and cell debris.
- phanotron — a hot-cathode gas diode.
- phase out — any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself to the eye or mind.
- phenetole — a colorless, volatile, aromatic, water-insoluble liquid, C 8 H 1 0 O.
- phenolate — Also called phenoxide. a salt of phenol, as sodium phenolate, C 6 H 5 ONa.
- phenotype — the observable constitution of an organism.
- 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.
- philomath — a person who enjoys learning new facts and acquiring new knowledge
- pholidota — the order comprising the pangolins.
- phonathon — a campaign to solicit funds or support in which volunteers make phone calls to prospective donors or supporters.
- phonation — rapid, periodic opening and closing of the glottis through separation and apposition of the vocal cords that, accompanied by breath under lung pressure, constitutes a source of vocal sound.
- phonatory — rapid, periodic opening and closing of the glottis through separation and apposition of the vocal cords that, accompanied by breath under lung pressure, constitutes a source of vocal sound.
- phone tag — telephone tag.
- phone tap — an instance of listening secretly, usually illegally, to someone's phone conversations using special electronic equipment
- phonetics — (in Chinese writing) a written element that represents a sound and is used in combination with a radical to form a character.
- phonetism — the science of speech sounds and of writing phonetically
- phonetist — a person who uses or advocates phonetic spelling.
- phonolite — a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck.
- phonotype — a piece of type bearing a phonetic character or symbol.
- phonotypy — phonography (def 2).
- phosphate — Chemistry. (loosely) a salt or ester of phosphoric acid. a tertiary salt of orthophosphoric acid, as sodium phosphate.
- phosphite — (loosely) a salt of phosphorous acid.
- photalgia — pain, as in an eye, that is caused by intensity of light.
- photobomb — to ruin (a photograph) by appearing in the image without the photographer’s knowledge, often in some dramatic or comical way: My brother photobombed what would have been a nice photo of my grandma and me.
- photocall — a time arranged for photographers, esp press photographers, to take pictures of a celebrity, the cast of a play, etc, usually for publicity purposes
- photocard — A photocard is a card with a person's photograph on it, which they can use to prove who they are.
- photocell — a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc.
- photocopy — a photographic reproduction of a document, print, or the like.
- photodisk — a disk for use in a computer that contains photographs or can have photographs stored on it in a digitally coded manner
- photogene — an afterimage on the retina.
- photogram — a silhouette photograph made by placing an object directly on sensitized paper and exposing it to light.
- photolyse — to cause to undergo or to undergo photolysis
- photolyze — to break down molecules with light.
- photomask — an opaque image on a transparent plate that is used to filter light so the image can be transferred, used in photolithography applications
- photonics — the study and technology of the use of light for the transmission of information.
- photophil — an organism, such as a plant, that seeks, thrives on and requires strong light
- photoplay — a motion-picture scenario; screenplay.
- photopsia — a rare disease of the eye's retina that results in the perception of flashes of light
- photoscan — to study the distribution of a radioactive isotope or radiopaque dye in (a body organ or part) through the use of x-rays.
- photoshop — (often lowercase) to digitally alter (a photograph or other graphic) using image-editing software such as Photoshop: Her face is nicely Photoshopped in the ad. They’ve photoshopped the car onto an image of a beautiful beach.
- photostat — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- phototube — an electron tube with a photosensitive cathode, used like a photocell.
- phototype — a plate with a relief printing surface produced by photography.