List of 15-letter words containing

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There are 18 fifteen-letter words containing OTRO

ANISOTROPICALLY	• anisotropically adv. In an anisotropic manner; in such a way as to depend upon direction. • ANISOTROPIC adv. not having the same properties in every direction.
APHELIOTROPISMS	• APHELIOTROPISM n. growth away from the sun.
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.
CHEMOLITHOTROPH	• chemolithotroph n. Chemoautotroph. • CHEMOLITHOTROPH n. a bacterium that obtains its energy from inorganic compounds containing iron, nitrogen, or sulfur, and not from living on decaying organisms.
CHEMOTROPICALLY	• chemotropically adv. In a chemotropic manner. • CHEMOTROPIC adv. exhibiting chemotropism, i.e. plant growth in the direction of a particular chemical.
CORTICOTROPHINS	• corticotrophins n. Plural of corticotrophin. • CORTICOTROPHIN n. a hormone that stimulates the adrenal gland, also CORTICOTROPIN.
DIAHELIOTROPISM	• diaheliotropism n. (Botany) A tendency of leaves or other plant organs to have their dorsal surface facing towards the rays of light. • DIAHELIOTROPISM n. the state of being diaheliotropic, turning transversely to the light.
DIAPHOTOTROPIES	• DIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light.
DIAPHOTOTROPISM	• DIAPHOTOTROPISM n. the state of being diaphototropic, turning transversely to the light.
GALVANOTROPISMS	• GALVANOTROPISM n. the directional growth of an organism, esp. a plant, in response to an electrical stimulus.
HELIOTROPICALLY	• heliotropically adv. In a heliotropic manner. • HELIOTROPICAL adv. turning towards the sun, also HELIOTROPIC.
HYDROTROPICALLY	• hydrotropically adv. In a hydrotropic manner. • HYDROTROPIC adv. exhibiting hydrotropism, i.e. growth in the direction of water.
PARAHELIOTROPIC	• paraheliotropic adj. Relating to paraheliotropism. • PARAHELIOTROPIC adj. turning edgewise to the light.
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.
PHOTOTROPICALLY	• phototropically adv. In a phototropic manner. • PHOTOTROPIC adv. relating to phototropism, movement directed by light.

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 1Word.ws and WikWik.org.

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English Wiktionary: 94 words
Scrabble in French: 7 words
Scrabble in Spanish: no word
Scrabble in Italian: 6 words
Scrabble in German: no word
Scrabble in Romanian: 36 words

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