List of 15-letter words containing ••••••

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There are 18 fifteen-letter words containing H, O, P, R, 2T and U

AUTOTROPHICALLY	• autotrophically adv. In an autotrophic manner. • autotrophically adv. With regard to autotrophy. • AUTOTROPHIC adv. capable of building up food materials from inorganic matter.
CHEMAUTOTROPHIC	• chemautotrophic adj. Alternative form of chemoautotrophic. • CHEMAUTOTROPHIC adj. of or like a chemautotroph.
CHEMOAUTOTROPHS	• chemoautotrophs n. Plural of chemoautotroph. • CHEMOAUTOTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTROPH.
CHEMOAUTOTROPHY	• chemoautotrophy n. (Biology) A mode of growth in which CO₂ is the exclusive source of assimilated carbon, and energy is… • CHEMOAUTOTROPHY n. the production of energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide.
DISTRIBUTORSHIP	• distributorship n. A business specializing in the wholesale distribution of a particular class of goods. • DISTRIBUTORSHIP n. a company that distributes something, esp. one that has exclusive license to do this.
EUTROPHICATIONS	• eutrophications n. Plural of eutrophication. • EUTROPHICATION n. the process of becoming eutrophic.
HYPOPITUITARISM	• hypopituitarism n. (Medicine) A decrease in secretion of one or more of the eight hormones normally produced by the pituitary gland. • HYPOPITUITARISM n. deficient production of growth hormones by the pituitary gland.
INSTRUCTORSHIPS	• instructorships n. Plural of instructorship. • INSTRUCTORSHIP n. the office of instructor.
PHOTOAUTOTROPHS	• photoautotrophs n. Plural of photoautotroph. • PHOTOAUTOTROPH n. an organism capable of synthesizing its own food from inorganic substances using light as an energy source.
PHOTOCONDUCTORS	• photoconductors n. Plural of photoconductor. • PHOTOCONDUCTOR n. a photoconductive substance.
PHOTOJOURNALIST	• photojournalist n. A journalist who uses photojournalism. • PHOTOJOURNALIST n. a practitioner of photojournalism.
PHOTOMULTIPLIER	• photomultiplier n. (Physics) A device, normally in the form of a tube, that uses a photocathode to convert photons into… • PHOTOMULTIPLIER n. a photocell with a series of dynodes which amplify the emission current by electron multiplication.
PHOTOPRODUCTION	• photoproduction n. (Chemistry) The production of a molecular species (e.g. a radical or ion) by means of light. • PHOTOPRODUCTION n. the production of one or more particles by the action of an incident photon.
PHOTOREDUCTIONS	• photoreductions n. Plural of photoreduction. • PHOTOREDUCTION n. chemical reduction under the influence of radiant energy, as light.
PITHECANTHROPUS	• Pithecanthropus prop.n. A former taxonomic genus in the family Hominidae, whose species are now assigned to the genus Homo… • PITHECANTHROPUS n. any of several primitive extinct men from Java.
PROTOSPATHARIUS	• protospatharius n. Alternative form of protospatharios. • PROTOSPATHARIUS n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHAIRE.
SUBSTRATOSPHERE	• substratosphere n. The area of the atmosphere directly below the stratosphere. • SUBSTRATOSPHERE n. the area of the atmosphere below the stratosphere.
TELAUTOGRAPHIES	• TELAUTOGRAPHY n. transmission by use of a Telautograph, a telegraph for reproducing the movement of a pen or pencil and so transmitting writings or drawings.

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: 181 words
Scrabble in French: 34 words
Scrabble in Spanish: no word
Scrabble in Italian: 10 words
Scrabble in German: no word
Scrabble in Romanian: 16 words

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