18-letter words containing p, i, t, h
- iron (ii) sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- isolation hospital — a hospital used to isolate or quarantine people with a contagious disease
- isothermal process — a process that takes place without change in temperature.
- jack-in-the-pulpit — A North American plant, Arisaema triphyllum, of the arum family, having an upright spadix arched over by a green or striped purplish-brown spathe.
- japanese artichoke — Chinese artichoke.
- josephson junction — a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon (Jo·sephson effect) exhibited by a pair of superconductors separated by a thin insulator.
- keep your shirt on — refrain from losing your temper (often used as an exhortation to another)
- kingston upon hull — official name of Hull.
- kingston-upon-hull — official name of Hull.
- knights of pythias — a fraternal order founded in Washington, D.C., in 1864.
- lake pontchartrain — a shallow lagoon in SE Louisiana, linked with the Gulf of Mexico by a narrow channel, the Rigolets: resort and fishing centre. Area: 1620 sq km (625 sq miles)
- light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
- list comprehension — (functional programming) An expression in a functional language denoting the results of some operation on (selected) elements of one or more lists. An example in Haskell: This returns all pairs of numbers (x,y) where x and y are elements of the list 1, 2, ..., 10, y <= x and their sum is less than 10. A list comprehension is simply "syntactic sugar" for a combination of applications of the functions, concat, map and filter. For instance the above example could be written: The term "list comprehension" appears in the references below. The earliest reference to the notation is in Rod Burstall and John Darlington's description of their language, NPL. David Turner subsequently adopted this notation in his languages SASL, KRC and Miranda, where he has called them "ZF expressions", set abstractions and list abstractions (in his 1985 FPCA paper [Miranda: A Non-Strict Functional Language with Polymorphic Types]).
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- lives of the poets — a collection (1779–81), by Samuel Johnson, of biographical and critical essays on 52 English poets.
- logarithmic spiral — log r = aθ
- lower palaeolithic — the earliest of the three sections of the Palaeolithic, beginning about 3 million years ago and ending about 70 000 bc with the emergence of Neanderthal man
- malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- maternity hospital — birthing facility
- metamorphic facies — Geology. a group of metamorphic rock units characterized by particular mineralogic associations.
- methylated spirits — ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- middle paleolithic — See under Paleolithic.
- miniature pinscher — one of a German breed of toy dogs resembling a smaller version of the Doberman pinscher, having a flat skull, a smooth coat, erect ears, and a docked tail, bred originally as a watchdog.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monophthongization — to change into or pronounce as a monophthong.
- mop the floor with — that part of a room, hallway, or the like, that forms its lower enclosing surface and upon which one walks.
- morphine addiction — the fact or condition of being addicted to morphine
- multiple ownership — ownership by several people or organizations
- natural philosophy — natural science.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- north polar region — the region of land and water surrounding the North Pole.
- not a hope in hell — If you say that someone has not got a hope in hell of doing something, you are emphasizing that they will not be able to do it.
- not a pretty sight — If you say that someone or something is not a pretty sight, you mean that it is not pleasant to look at.
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- offset lithography — offset (def 6).
- old curiosity shop — a novel (1840–41) by Dickens.
- ophthalmologically — In an ophthalmological manner.
- optical brightener — an additive that dyes and brightens fabric or paper
- orthopedic surgery — corrective operation on bones or joints
- orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
- outer automorphism — an automorphism that is not an inner automorphism.
- packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
- paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
- parachute regiment — an airborne regiment of an army
- paraglyph printing — the printing of the positive and negative of a radiograph superimposed in slight misalignment to give the effect of a relief.
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- passive euthanasia — a form of euthanasia in which medical treatment that will keep a dying patient alive for a time is withdrawn