14-letter words containing y, o, t
- phenylbutazone — a potent substance, C 1 9 H 2 0 N 2 O 2 , used to reduce pain and inflammation in rheumatic diseases and gout, and used in veterinary medicine for musculoskeletal disorders.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phosphorolytic — of or relating to phosphorolysis
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — 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.
- photogrammetry — the process of making surveys and maps through the use of photographs, especially aerial photographs.
- photolytically — in a photolytic manner, by photolytic means
- 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.
- phthalocyanine — Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
- 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.
- phytogeography — the science dealing with the geographical relationships of plants.
- phytopathology — plant pathology.
- phytosociology — the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
- picture layout — a picture spread. See under spread (def 33).
- piezochemistry — the study of chemical reactions at high pressures
- pituitary body — (formerly) the pituitary gland.
- plane geometry — the geometry of figures whose parts all lie in one plane.
- plastic memory — the tendency of certain plastics after being deformed to resume their original form when heated
- platform party — the group on the platform at a meeting
- platinocyanide — a salt of platinocyanic acid.
- platycephalous — flat-headed
- plethysmograph — a device for measuring and recording changes in the volume of the body or of a body part or organ.
- plymouth sound — an inlet of the English Channel in SW Devon, SW England
- poetry reading — a public recital or rendering of a poem
- point-by-point — detailed and deliberate; taking every point into consideration
- polarizability — to cause polarization in.
- police custody — If somebody or something is in police custody, they are kept somewhere secure, under the supervision of police officers, for example in a police station.
- polite society — sophisticated company
- polydispersity — the state of being polydisperse
- polyfunctional — containing more than one functional group.
- polygraph test — a test carried out using a polygraph, esp used by the police to try to find out whether somebody is telling the truth
- polymerization — the act or process of forming a polymer or polymeric compound.
- polynucleotide — a sequence of nucleotides, as in DNA or RNA, bound into a chain.
- polysynthesism — the synthesis of various elements.
- polyunsaturate — a polyunsaturated fat or fatty acid.
- porphyrization — reduction to a powder, formerly done on a slab of porphyry.
- porphyrogenite — a prince born after his father has succeeded to the throne
- port authority — a government commission that manages bridges, tunnels, airports, and other such facilities of a port or city.
- post-pregnancy — the state, condition, or quality of being pregnant.
- postcopulatory — of or relating to the period of time following copulation
- postfix syntax — postfix notation
- postmastectomy — of or relating to the period after a mastectomy
- potato psyllid — a tiny homopterous insect, Paratrioza cockerelli, occurring in some areas of the western U.S., western Canada, and Mexico: a serious pest to potatoes, tomatoes, eggplants, and peppers, the nymphs acting as vectors in the transmission of psyllid yellows.
- potbelly stove — a usually cast-iron wood- or coal-burning stove having a large, rounded chamber.
- potty training — teaching an infant to use the toilet
- poultry farmer — a person who rears domestic fowls, esp chickens, for their eggs or meat