14-letter words containing y, o, i
- 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.
- 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.
- 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.
- 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.
- plastic memory — the tendency of certain plastics after being deformed to resume their original form when heated
- platinocyanide — a salt of platinocyanic acid.
- pleurapophysis — one of the lateral processes of a vertebra forming the ribs
- pneumodynamics — Physics. pneumatics.
- 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 academy — a school for training police officers
- 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.
- policy adviser — a person who provides ideas or plans that are used by an organization or government as a basis for making decisions
- policy science — a branch of the social sciences concerned with the formulation and implementation of policy in bureaucracies, etc
- policy wording — Policy wording is the terms and conditions and definitions of insurance coverage as they are written down in the insurance policy.
- polite society — sophisticated company
- poly-syllogism — an argument made up of a chain of syllogisms, the conclusion of each being a premise of the one following, until the last one.
- polyacrylamide — a white, solid, water-soluble polymer of acrylamide, used in secondary oil recovery, as a thickening agent, a flocculant, and an absorbent, and to separate macromolecules of different molecular weights.
- polycarboxylic — of or like a polycarboxylate
- polydispersity — the state of being polydisperse
- polyfunctional — containing more than one functional group.
- 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.
- polyphonically — consisting of many voices or sounds.
- polyphosphoric — as in polyphosphoric acid, any oxyacid of pentavalent phosphorus
- polysaccharide — a carbohydrate, as starch, inulin, or cellulose, containing more than three monosaccharide units per molecule, the units being attached to each other in the manner of acetals, and therefore capable of hydrolysis by acids or enzymes to monosaccharides.
- polysuspensoid — a suspensoid in which the solid particles are polydisperse.
- polysynthesism — the synthesis of various elements.
- polyvinylidene — pertaining to or derived from a polymer of a vinylidene compound.
- 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.
- postfix syntax — postfix notation
- 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.
- potty training — teaching an infant to use the toilet
- pouilly fuissé — a dry white Burgundy wine made from the chardonnay grape
- pouilly-fuisse — a dry, white wine from Burgundy.
- powdery mildew — any of various parasitic fungi of the ascomycete order Erysiphales, which produce a powderlike film of mycelium on the surface of host plants.
- power industry — all the people and activities involved in providing power (gas, electricity, etc) to homes and businesses
- prairie oyster — a raw egg, or the yolk of a raw egg, often mixed with seasonings, as salt, pepper, Worcestershire sauce, and used as a hangover remedy.