List of 12-letter words containing •••••••

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There are 20 twelve-letter words containing H, I, O, P, 2R and 2T

LITHOTRIPTER	• lithotripter n. (Surgery) A device used in lithotripsy. • LITHOTRIPTER n. a device that crushes stones in the bladder by ultrasound, also LITHONTRIPTOR, LITHOTRIPTOR, LITHOTRITE, LITHOTRITOR.
LITHOTRIPTOR	• lithotriptor n. Alternative spelling of lithotripter. • LITHOTRIPTOR n. a device that crushes stones in the bladder by ultrasound, also LITHONTRIPTOR, LITHOTRIPTER, LITHOTRITE, LITHOTRITOR.
ORNITHOPTERS	• ornithopters n. Plural of ornithopter. • ORNITHOPTER n. a birdlike archaic flying machine.
ORTHOPTERIST	• orthopterist n. An entomologist who specialises in orthopters. • ORTHOPTERIST n. a student of insects.
ORTHOPTEROID	• orthopteroid n. (Entomology) Any of the insects historically included in the order Orthoptera, including the cockroaches… • ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
ORTHOTROPIES	• ORTHOTROPY n. the state of being orthotropic, growing along a vertical axis.
ORTHOTROPISM	• orthotropism n. The property of being orthotropic or orthotropous. • ORTHOTROPISM n. vertical growth.
PHRONTISTERY	• phrontistery n. A place for thinking. • phrontistery n. (Humorous) The toilet; the lavatory. • phrontistery n. An establishment devoted to education or study.
PROTOHISTORY	• protohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed… • PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
PROTOTHERIAN	• prototherian adj. Belonging or pertaining to the subclass Prototheria of monotremes. • prototherian n. Any of the egg-laying mammals of the subclass Prototheria; a monotreme. • PROTOTHERIAN adj. pertaining to a member of Prototheria, which comprises the order Monotremata and related fossil forms.
PROTOTROPHIC	• prototrophic adj. (Biology) Of or pertaining to a prototroph or to prototrophy. • PROTOTROPHIC adj. of bacteria, feeding directly on uncombined elements.
TETRAMORPHIC	• tetramorphic adj. Having four forms. • tetramorphic adj. Relating to a tetramorph. • TETRAMORPHIC adj. having four forms.
THERMOTROPIC	• thermotropic adj. (Biology, of a plant) Tending to move towards or away from a source of heat. • thermotropic adj. (Physics, of a liquid crystal) Exhibiting different phases at different temperatures. • THERMOTROPIC adj. bending towards or away from a heat source.
THYROTROPHIC	• thyrotrophic adj. That stimulates the thyroid gland. • thyrotrophic adj. Of or pertaining to thyrotropism. • THYROTROPHIC adj. exerting or characterized by a direct influence on the secretory activity of the thyroid gland, also THYROTROPIC.
THYROTROPHIN	• thyrotrophin n. Alternative form of thyrotropin. • THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
THYROTROPINS	• thyrotropins n. Plural of thyrotropin. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.
TRAITORSHIPS	• TRAITORSHIP n. the state of being a traitor.
TRICHOPTERAN	• trichopteran n. Any insect of the order Trichoptera. • trichopteran adj. Trichopterous. • TRICHOPTERAN n. any member of the Trichoptera, caddis flies.
TRIMETHOPRIM	• trimethoprim n. (Pharmacology) A synthetic antibiotic used to treat malaria and respiratory and urinary infections (usually… • TRIMETHOPRIM n. a synthetic antibacterial and antimalarial drug used alone or in combination with sulfamethoxazole.
TROPHOTROPIC	• trophotropic adj. Relating to trophotropy. • TROPHOTROPIC adj. related to trophotropism, direction of growth by nutritional factors.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 63 words
Scrabble in French: 14 words
Scrabble in Spanish: no word
Scrabble in Italian: 1 word
Scrabble in German: no word
Scrabble in Romanian: 4 words

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