23-letter words containing i, p, h, a, n
- pithecanthropus erectus — Java man
- planetesimal hypothesis — one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system.
- polish lowland sheepdog — a strongly-built medium-sized sheepdog of a Polish breed with a long thick shaggy coat that covers the eyes
- polybrominated biphenyl — PBB.
- potassium monophosphate — any of the three orthophosphates of potassium ((potassium monophosphate) (K 2 HPO 4), (potassium diphosphate) (KH 2 PO 4), and (tripotassium phosphate) (K 3 PO 4) )
- precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
- private branch exchange — (communications) (PBX) A telephone exchange local to a particular organisation who use, rather than provide, telephone services. The earliest PBXs were manual (Private Manual Branch EXchange, PMBX) but are now more likely to be automatic (Private Automatic Branch eXchange).
- process hazard analysis — Process hazard analysis is calculating what might be a hazard in a process, how likely it is to happen, and what should be done if someone or something is exposed to this hazard.
- psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
- reverse polish notation — postfix notation
- saint christopher-nevis — St. Kitts-Nevis.
- schizotypal personality — a personality disorder characterized by a group of symptoms similar to but less severe than schizophrenia, as odd behavior, peculiar thinking, and social isolation.
- scottish national party — a political party advocating the independence of Scotland, founded in 1934
- slip between the cracks — to break without complete separation of parts; become fissured: The plate cracked when I dropped it, but it was still usable.
- the data protection act — a United Kingdom act of parliament designed to ensure the proper handling of information stored about individuals on computers and entitling individuals to find out what information is stored about them
- the metropolitan police — the police organization that is responsible for Greater London, excluding the City of London
- the scottish parliament — the devolved national legislature of Scotland, located in Edinburgh
- the teaching profession — the profession of a teacher
- thompson submachine gun — a portable, .45-caliber, automatic weapon designed to be fired from the shoulder or hip.
- to keep a tight rein on — If you keep a tight rein on someone, you control them firmly.
- to win the popular vote — to get a majority as regards the votes cast by individual voters
- to wipe the slate clean — If you wipe the slate clean, you decide to forget previous mistakes, failures, or debts and to start again.
- trans-new guinea phylum — the largest grouping of the non-Austronesian languages of Papua and New Guinea and the surrounding regions
- when the chips are down — a small, slender piece, as of wood, separated by chopping, cutting, or breaking.
- whet someone's appetite — If someone or something whets your appetite for a particular thing, they increase your desire to have it or know about it, especially by giving you an idea of what it is like.
- white-coat hypertension — the phenomenon of having elevated blood pressure only during a medical consultation