16-letter words containing e, a, c, h, o, t
- 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)
- 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.
- phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
- pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
- phylogenetically — the development or evolution of a particular group of organisms.
- pitch-cone angle — (in a bevel gear) the apex angle of the truncated cone (pitch cone) which forms the reference surface on which the teeth of a bevel gear are cut
- pithecanthropine — of, belonging to, or resembling a former genus (Pithecanthropus, now classified as Homo erectus) of extinct early humans, who lived in Java, China, Europe, and Africa
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- plainclothes man — a detective or police officer who wears civilian clothes while on duty
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
- postencephalitic — inflammation of the substance of the brain.
- pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
- protestant ethic — work ethic.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- psychogeriatrics — the psychology of old age.
- rape of the lock — a mock-epic poem (1712) by Alexander Pope.
- rate of exchange — exchange rate.
- re-chromatograph — to separate and analyse (a mixture of liquids or gases) by means of chromatography a second or further time
- reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
- rich text format — (RTF) An interchange format from Microsoft for exchange of documents between Word and other document preparation systems.
- right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
- run the blockade — to go past or through a blockade
- schoolteacherish — showing characteristics thought to be typical of a schoolteacher, as strictness and primness.
- schouten islands — a group of islands belonging to Papua New Guinea, in the Pacific Oceans, off the N coast of New Guinea.
- sclerenchymatous — supporting or protective tissue composed of thickened, dry, and hardened cells.
- scotch blackface — one of a Scottish breed of mountain sheep having a black face and growing long, coarse wool.
- scratch together — to assemble with difficulty
- secondary growth — an increase in the thickness of the shoots and roots of a vascular plant as a result of the formation of new cells in the cambium.
- shoestring catch — a catch of a ball on the fly, made close to the ground while running.
- showcase project — a project designed to attract attention and show off the abilities of the people involved in it
- situation ethics — a view of ethics that deprecates general moral principles while emphasizing the source of moral judgments in the distinctive characters of specific situations.
- slap on the back — to congratulate
- social gathering — party, get-together
- sonata da chiesa — an instrumental musical form, common in the Baroque period, that usually consists of four movements alternating between slow and fast.
- south charleston — a city in W West Virginia.
- spectroheliogram — a photograph of the sun made with a spectroheliograph.
- speech pathology — the scientific study and treatment of defects, disorders, and malfunctions of speech and voice, as stuttering, lisping, or lalling, and of language disturbances, as aphasia or delayed language acquisition.
- st. clair shores — a city in SE Michigan, near Detroit.
- stannic chloride — a colorless fuming and caustic liquid, SnCl 4 , soluble in water and alcohol, that converts with water to a crystalline solid: used for electrically conductive and electroluminescent coatings and in ceramics.
- statutory change — a change in the law
- steal a march on — to walk with regular and measured tread, as soldiers on parade; advance in step in an organized body.
- steamboat gothic — a florid architectural style suggesting the gingerbread-decorated construction of river boats of the Victorian period.
- stocking machine — a type of knitting machine
- string orchestra — an orchestra consisting only of violins, violas, cellos, and double basses
- summa theologica — a philosophical and theological work (1265–74) by St. Thomas Aquinas, consisting of an exposition of Christian doctrine.