13-letter words containing a, t, o, p
- pentatonicism — the use of a five-tone scale.
- pentobarbital — a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
- peptidoglycan — a polymer, consisting of polysaccharide and peptide chains, responsible for the structure of the cell wall of bacteria
- peptonization — to subject (food) to an artificial, partial digestion by pepsin or pancreatic extract in order to aid digestion.
- perambulation — to walk through, about, or over; travel through; traverse.
- perchlorinate — to combine with the maximum proportion of chlorine.
- perditionable — deserving perdition or damnation
- peregrination — travel from one place to another, especially on foot.
- peregrinatory — tending to peregrinate; relating to or characteristic of a traveller
- perfectionate — to perfect; to make perfect
- periodic rate — The periodic rate is the interest rate charged for each period, such as monthly or quarterly.
- periodicalist — a writer of articles for periodicals
- periodization — an act or instance of dividing a subject into historical eras for purposes of analysis and study.
- periodontally — with respect to periodontal tissue
- perissodactyl — having an uneven number of toes or digits on each foot.
- peritonealize — to cover with peritoneum.
- perlustration — the act of perlustrating; a thorough inspection or survey, esp of letters for purposes of surveillance
- perscrutation — a very careful exploration or inspection
- perseveration — the act or process of perseverating.
- persona grata — an acceptable person, especially a diplomatic representative acceptable to the government to which he or she is accredited.
- personal best — A sports player's personal best is the highest score or fastest time that they have ever achieved.
- personalistic — Also called personal idealism. a modern philosophical movement locating ultimate value and reality in persons, human or divine.
- personalities — the visible aspect of one's character as it impresses others: He has a pleasing personality.
- pertaining to — having to do with
- pervaporation — Pervaporation is a separation process in which a substance permeates through a membrane and then evaporates.
- petit treason — the killing of a husband by his wife, of a lord by his servant, or of an ecclesiastic by a subordinate ecclesiastic.
- petrification — the act or process of petrifying; the state of being petrified.
- petrochemical — a chemical substance obtained from petroleum or natural gas, as gasoline, kerosene, or petrolatum.
- petrol tanker — a specially equipped ship or truck for transporting petrol and other fuels
- petropavlovsk — a city in N Kazakhstan on the Ishim River. Pop: 190 000 (2005 est)
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phantasmagory — phantasmagoria.
- phantom stock — an employee bonus expressed as the cash value of a specified amount of company stock to be received at a future date, meant to create employee interest in raising stock prices without giving any stock away.
- pharyngectomy — excision of part or all of the pharynx.
- phelloplastic — an image or a representation that has been fashioned from cork
- phenobarbital — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenomenality — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phenothiazine — Chemistry. a grayish-green to greenish-yellow, crystalline, water-insoluble solid, C 1 2 H 9 NS, used chiefly as an insecticide and vermifuge, and in the synthesis of pharmaceuticals.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlogisticate — to integrate or blend phlogiston with
- phonautograph — a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phone-tapping — Phone-tapping is the activity of listening secretly to someone's phone conversations using special electronic equipment. In most cases phone-tapping is illegal.
- phonocamptics — the branch of acoustics dealing with echoes
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photo-sharing — the publishing of digital photographs on the internet
- photo-stating — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- photoacoustic — optoacoustic
- photoallergic — photosensitive.