13-letter words containing p, l, a, t, o
- pentadelphous — (of a plant) having its stamens arranged in five groups; (of stamens) being arranged in five groups
- 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
- perambulation — to walk through, about, or over; travel through; traverse.
- perchlorinate — to combine with the maximum proportion of chlorine.
- perditionable — deserving perdition or damnation
- periodicalist — a writer of articles for periodicals
- 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
- 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.
- 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.
- 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.
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phlogisticate — to integrate or blend phlogiston with
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- photo gallery — display of collected photographs
- photoallergic — photosensitive.
- photochemical — the branch of chemistry that deals with the chemical action of light.
- photocopiable — able or legally permitted to be photocopied
- photogelatine — relating to photographic processes in which gelatine is used in receiving or transferring prints
- phototelegram — a telegram that is sent by means of phototelegraphy
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- phraseologist — a person who treats of or is concerned with phraseology.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- phytoplankter — a minute organism which constitutes part of phytoplankton
- phytoplankton — the aggregate of plants and plantlike organisms in plankton.
- pictorialness — the state of being pictorial
- pilot balloon — a balloon for the visual observation of upper-atmosphere wind currents.
- pilot station — Also called pilotage. an onshore office or headquarters for pilots.
- plagiostomous — plagiostome
- plagiotropism — plagiotropic tendency or growth.
- plain yoghurt — natural yoghurt, without added flavouring
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- plane spotter — a person who observes, photographs, and catalogues aircraft as a hobby
- planetologist — the branch of astronomy that deals with the physical features of the planets.
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- plant kingdom — the plants of the world collectively.
- plasmodesmata — any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells.
- plastic money — credit cards, used instead of cash
- plastoquinone — a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.