13-letter words containing o, p, y
- phenoxy resin — any of a class of resins derived from polyhydroxy ethers
- phony disease — a disease of peaches, characterized by dwarfing, dark-green leaves, premature leafing and flowering, and the production of reduced numbers of small fruit, caused by a virus, Nanus mirabilis.
- phony-baloney — nonsense; baloney.
- phosphorylase — any enzyme, occurring widely in animal and plant tissue, that in the presence of an inorganic phosphate catalyzes the conversion of glycogen into sugar phosphate.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photo-biology — the study of the effects of light on biological systems.
- photodynamics — the science dealing with light and its effects on living organisms.
- photosynthate — a compound formed by photosynthesis.
- phototoxicity — damage, esp to the skin, as a result of exposure to light
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phrygian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from E to E.
- phycoerythrin — a red protein pigment occurring in red algae.
- phyllocladous — having phylloclades.
- phyllogenetic — of or relating to the development of leaves.
- phyllophagous — (of an organism) feeding on leaves.
- phylloquinone — vitamin K1.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physics model — a variety of software illustrating the movement of objects in reality, used by designers of video games to improve verisimilitude
- physiognomies — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- physiographic — the science of physical geography.
- physiological — of or relating to physiology.
- physiotherapy — physical therapy.
- physoclistous — having the air bladder closed off from the mouth.
- physostigmine — an alkaloid, C 1 5 H 2 1 N 3 O 2 , used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine and also as a miotic in glaucoma.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- phytocoenosis — the plants of a given area considered as a whole.
- phytoestrogen — an estrogen-like compound occurring naturally in plants of the legume family and in grains, vegetables, and fruits.
- phytonutrient — phytochemical.
- phytopathogen — an organism that causes disease in plants
- phytoplankter — a minute organism which constitutes part of phytoplankton
- phytoplankton — the aggregate of plants and plantlike organisms in plankton.
- phytosanitary — of or relating to the health of plants
- phytotoxicity — the state of being phytotoxic
- plagiocephaly — a deformity of the skull in which one side is more developed in the front, and the other side is more developed in the rear.
- plain yoghurt — natural yoghurt, without added flavouring
- plane journey — a journey made by flying in an aeroplane
- plastic money — credit cards, used instead of cash
- platinocyanic — of or derived from platinocyanic acid.
- platonic year — a period of about 26,000 years, equal to the time required for a complete revolution of the equinoxes.
- platykurtosis — the state of being platykurtic.
- play for time — a dramatic composition or piece; drama.
- play hob with — to make trouble for; interfere with and make disordered
- play on words — a pun or the act of punning.
- play politics — the science or art of political government.
- play the fool — behave in a silly way
- plethysmogram — the recording of a plethysmograph.
- pleurisy root — a North American milkweed, Asclepias tuberosa, whose root was used as a remedy for pleurisy.
- plough monday — the first Monday after Epiphany, which in N and E England used to be celebrated with a procession of ploughmen drawing a plough from house to house
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.