16-letter words containing p, h, o, r
- open parenthesis — left parenthesis
- open scholarship — a scholarship which anyone can apply for
- ophthalmoparesis — (medicine) A partial or complete paralysis of the extraocular muscles which are responsible for eye movements.
- opportunity shop — a shop selling second-hand goods for charitable funds
- organophosphates — Plural form of organophosphate.
- organophosphorus — Denoting synthetic organic compounds containing phosphorus, especially pesticides and nerve gases of this kind.
- orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
- orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
- orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
- padded shoulders — (on a garment) shoulders lined, stuffed, or filled out with soft material, esp in order to give them a higher or wider shape
- palmerston north — a city in New Zealand, in the S North Island on the Manawatu River. Pop: 78 100 (2004 est)
- para-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- paraformaldehyde — a white, crystalline polymer of formaldehyde, (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic.
- parasol mushroom — a common edible field mushroom, Macrolepiota (Lepiota) procera, having a light-brown, scaly cap.
- parkerhouse roll — a yeast roll shaped by folding over a flat, round piece of buttered dough
- parochial school — a primary or secondary private school supervised by a religious organization, especially a Roman Catholic day school affiliated with a parish or a holy order.
- parochialization — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parrot's-feather — a South American water milfoil, Myriophyllum aquaticum, having hairlike pinnate leaves, widely cultivated as an aquarium plant.
- part way through — mid-way; before the end
- pascal's theorem — the theorem that the lines joining adjacent vertices of a hexagon intersect the same straight line if alternate vertices lie on two intersecting straight lines.
- patched-together — makeshift; roughly made from disparate elements
- pay-as-you-throw — denoting a system for waste collection in which households are charged according to the amount of refuse they leave
- peach tree borer — the larva of any of several clearwing moths, as Sanninoidea exitiosa, that bore into the wood of the peach and other drupaceous trees.
- peano arithmetic — (mathematics) Giuseppe Peano's system for representing natural numbers inductively using only two symbols, "0" (zero) and "S" (successor). This system could be expressed as a recursive data type with the following Haskell definition: data Peano = Zero | Succ Peano The number three, usually written "SSS0", would be Succ (Succ (Succ Zero)). Addition of Peano numbers can be expressed as a simple syntactic transformation: plus Zero n = n plus (Succ m) n = Succ (plus m n) (1995-03-28)
- pearly razorfish — See under razorfish.
- people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
- perchloromethane — carbon tetrachloride.
- personal hygiene — bodily cleanliness
- personal shopper — a person, often a store employee, whose job is to assist shoppers in selecting clothing or other merchandise.
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
- pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
- phase microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
- pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
- philanthropistic — a person who practices philanthropy.
- philoprogenitive — producing offspring, especially abundantly; prolific.
- philosopher king — the Platonic ideal of a ruler, philosophically trained and enlightened.
- philosopher-king — the Platonic ideal of a ruler, philosophically trained and enlightened.
- phlebothrombosis — the presence of a thrombus in a vein.
- phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
- phosphor fatigue — screen saver
- phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
- phosphoryl group — the trivalent group ≡P≡O.
- photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
- photochronograph — a device formerly used for taking a series of instantaneous photographs of a rapidly moving object.
- photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
- photoelectrotype — an electrotype made by photographic means.
- photograph album — bound book for photos