13-letter words containing t, h, e, o, p, n
- parnell shout — a social occasion where each person in a group pays for his or her own entertainment or meal
- parthenocarpy — the production of fruit without fertilization of an egg in the ovary.
- parthenopaeus — a son of Hippomenes and Atalanta, and one of the Seven against Thebes.
- parthenospore — a spore developed without fertilization.
- patent holder — a person or company that holds a patent
- pathogenicity — the disease-producing capacity of a pathogen.
- pentadelphous — (of a plant) having its stamens arranged in five groups; (of stamens) being arranged in five groups
- pentastichous — (of plant leaves) arranged in five vertical rows
- perchlorinate — to combine with the maximum proportion of chlorine.
- phallocentric — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- pharyngectomy — excision of part or all of the pharynx.
- 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.
- 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.
- phonoreceptor — a receptor stimulated by sound waves.
- photoelectron — an electron emitted from a system by the photoelectric effect.
- photoemission — photoelectric effect.
- photofinisher — a person whose profession is photofinishing
- photogelatine — relating to photographic processes in which gelatine is used in receiving or transferring prints
- photonegative — pertaining to a substance, as selenium, having a conductivity that decreases upon absorption of electromagnetic radiation.
- photoreaction — a chemical reaction that involves or requires light.
- photosynthate — a compound formed by photosynthesis.
- phycoerythrin — a red protein pigment occurring in red algae.
- phyllogenetic — of or relating to the development of leaves.
- physostigmine — an alkaloid, C 1 5 H 2 1 N 3 O 2 , used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine and also as a miotic in glaucoma.
- phytocoenosis — the plants of a given area considered as a whole.
- phytoestrogen — an estrogen-like compound occurring naturally in plants of the legume family and in grains, vegetables, and fruits.
- phytonutrient — phytochemical.
- phytopathogen — an organism that causes disease in plants
- phytoplankter — a minute organism which constitutes part of phytoplankton
- piano teacher — tutor of piano-playing
- picture phone — a mobile phone that can take, send, and receive photographs
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- pneumatograph — pneumograph.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- pointy-headed — stupid; idiotic.
- polysynthetic — (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic (def 3), synthetic (def 3).
- polytechnical — relating to a technical school
- polythene bag — a bag made of polythene, esp one used to store or protect food or household articles
- post exchange — a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. Abbreviation: PX.
- premonishment — a forewarning
- presto chango — change at once (usually used imperatively, as in a magician's command).
- psychogenetic — genesis of the psyche.
- psychotogenic — a substance that causes a psychotic reaction.
- pyrotechnical — of or relating to pyrotechnics.
- rapprochement — an establishment or reestablishment of harmonious relations: a rapprochement reached between warring factions.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- sheep station — a large sheep farm