13-letter words containing t, s, o, p, y
- morpho-syntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- mount olympus — mountain in Greece
- musicotherapy — the treatment of mental disorders with music
- mycetophagous — That feeds on fungi.
- 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.
- omoplatoscopy — Divination by use of a shoulder blade.
- onychophagist — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- 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.
- osteophytosis — Lb medicine The presence of osteophytes.
- 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.
- penobscot bay — an inlet of the Atlantic in S Maine. 30 miles (48 km) long.
- 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).
- photodynamics — the science dealing with light and its effects on living organisms.
- photosynthate — a compound formed by photosynthesis.
- physiotherapy — physical therapy.
- physoclistous — having the air bladder closed off from the mouth.
- 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.
- phytosanitary — of or relating to the health of plants
- plastic money — credit cards, used instead of cash
- platykurtosis — the state of being platykurtic.
- play politics — the science or art of political government.
- plethysmogram — the recording of a plethysmograph.
- pleurisy root — a North American milkweed, Asclepias tuberosa, whose root was used as a remedy for pleurisy.
- pneumatolysis — the process by which rocks are altered or minerals and ores are formed by the action of vapors given off by magma.
- points system — a system used to assess applicants' eligibility for local authority housing, based on (points awarded for) such factors as the length of time the applicant has lived in the area, how many children are in the family, etc
- poliomyelitis — an acute viral disease, usually affecting children and young adults, caused by any of three polioviruses, characterized by inflammation of the motor neurons of the brain stem and spinal cord, and resulting in a motor paralysis, followed by muscular atrophy and often permanent deformities.
- 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.
- polychotomous — divided into multiple parts
- polycistronic — of or relating to the transcription of two or more adjacent cistrons into a single messenger RNA molecule.
- 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).
- polythalamous — having multiple chambers
- 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.