14-letter words containing s, p, o, i
- phantasmagoric — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacologist — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopolist — a person who sells pharmaceutical products
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenolic resin — 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.
- phenosafranine — safranine (def 2).
- philanthropist — a person who practices philanthropy.
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- philosopheress — a philosopher who is a woman
- philosophising — to speculate or theorize, usually in a superficial or imprecise manner.
- philosophistic — relating to a person who affects philosophical knowledge or to an affectation to philosophical knowledge or the action or enjoyment of carrying this out
- philosophizing — to speculate or theorize, usually in a superficial or imprecise manner.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorolysis — any reaction where chemical bonds are broken down by phosphoric acid or phosphate
- phosphorolytic — of or relating to phosphorolysis
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photofinishing — the act or occupation of developing films, printing photographs, etc.
- photogeologist — a person who studies or has a profession in photogeology
- photoluminesce — to produce photoluminescence
- photoperiodism — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photoresistive — photoconductive
- photosensitive — sensitive to light or similar radiation.
- photosensitize — to make (a material) photosensitive, as by the application of a photosensitive emulsion.
- photosynthesis — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
- photosynthetic — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
- phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
- phyllosilicate — any silicate mineral having the tetrahedral silicate groups linked in sheets, each group containing four oxygen atoms, three of which are shared with other groups so that the ratio of silicon atoms to oxygen atoms is two to five.
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- phytosociology — the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
- pick one's way — to choose or select from among a group: to pick a contestant from the audience.
- pickled onions — onions which have been preserved in vinegar or brine
- piezochemistry — the study of chemical reactions at high pressures
- pigeon-chested — having a narrow chest that sticks out at the front in an unusual way
- pimento cheese — a processed cheese made from Neufchâtel, cream cheese, Cheddar, or other cheese, flavored with chopped pimientos.
- pinafore dress — a sleeveless dress worn over a blouse or sweater
- piston-engined — powered by a piston engine
- pitch invasion — If there is a pitch invasion during or after a football, rugby, or cricket match, fans run on to the pitch.
- pitch-and-toss — a game in which players toss coins at a mark, the person whose coin hits closest to the mark tossing all the coins in the air and winning all those that come down heads up.
- placido's disk — a device marked with concentric black rings, used to detect corneal irregularities.
- plastic memory — the tendency of certain plastics after being deformed to resume their original form when heated
- plastic police — a collective term for several classes of public officer (including community support officers) authorized to perform certain tasks and duties in support of the police force, but having lesser powers than the police
- plasticization — Plasticization is the process of changing the structure of a polymer to make it easier to bend.
- platonic solid — one of the five regular polyhedrons: tetrahedron, octahedron, hexahedron, icosahedron, or dodecahedron.
- plesiochronous — (communications) Nearly synchronised, a term describing a communication system where transmitted signals have the same nominal digital rate but are synchronised on different clocks. According to ITU-T standards, corresponding signals are plesiochronous if their significant instants occur at nominally the same rate, with any variation in rate being constrained within specified limits.
- pleurapophysis — one of the lateral processes of a vertebra forming the ribs
- plotting sheet — a blank chart having only a compass rose and latitude lines, longitude lines, or both, marked and annotated, as required, by a navigator.
- plumbous oxide — litharge.