13-letter words containing p, r, o, s, t, y
- lost property — lost and found.
- lycanthropous — Lycanthropic.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- megasporocyte — a diploid cell in plants that undergoes meiosis to create four haploid megaspores.
- micropayments — Plural form of micropayment.
- microporosity — the state of being microporous
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- musicotherapy — the treatment of mental disorders with music
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mythographies — Plural form of mythography.
- nondescriptly — in a nondescript manner
- of many parts — having many different abilities
- omnipresently — In an omnipresent manner.
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppositionary — the action of opposing, resisting, or combating.
- palaeocrystic — consisting of former glacial formation
- parasyntheton — a word formed by parasynthesis; for example, kind-hearted
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- perissodactyl — having an uneven number of toes or digits on each foot.
- petrophysical — relating to the analysis of the constitution and characteristics of rocks
- phantasmagory — phantasmagoria.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- physiotherapy — physical therapy.
- phytoestrogen — an estrogen-like compound occurring naturally in plants of the legume family and in grains, vegetables, and fruits.
- phytosanitary — of or relating to the health of plants
- platykurtosis — the state of being platykurtic.
- plethysmogram — the recording of a plethysmograph.
- pleurisy root — a North American milkweed, Asclepias tuberosa, whose root was used as a remedy for pleurisy.
- polyarteritis — inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.
- polyarthritis — arthritis occurring in more than one joint.
- polycistronic — of or relating to the transcription of two or more adjacent cistrons into a single messenger RNA molecule.
- portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- post-tertiary — denoting or formed after the Tertiary period of geological time
- postcranially — affecting the postcranium
- postembryonic — occurring after the embryonic phase.
- postemergency — of, relating to, or occurring in the period after an emergency
- postsecondary — of or relating to education beyond high school: She completed her postsecondary education at a two-year college.
- potter's clay — a clay, suitably plastic and free of iron and other impurities, for use by potters.
- prestigiously — indicative of or conferring prestige: the most prestigious address in town.
- pretentiously — characterized by assumption of dignity or importance, especially when exaggerated or undeserved: a pretentious, self-important waiter.
- priority case — a matter that takes precedence over others
- progressivity — favoring or advocating progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters: a progressive mayor.
- prospectively — of or in the future: prospective earnings.
- prostatectomy — excision of part or all of the prostate gland.
- psychohistory — history or the writing of history employing the techniques of psychoanalysis to explore motivations, explain actions, etc.
- psychometrics — the measurement of mental traits, abilities, and processes.
- psychotherapy — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- psychrometric — relating to psychrometry