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

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There are 14 fifteen-letter words containing H, 2M, 2O and 2R

CHORDAMESODERMS	• CHORDAMESODERM n. the layer of specialized cells in the middle of a developing embryo which forms the notochord and structures of the central nervous system.
CHRONOGRAMMATIC	• chronogrammatic adj. Relating to, or containing a chronogram. • CHRONOGRAMMATIC adj. of or like a chronogram, an inscription whose letters form a Roman numeral date.
GEOTHERMOMETERS	• geothermometers n. Plural of geothermometer. • GEOTHERMOMETER n. instrument for measuring subterranean temperatures.
HETEROMORPHISMS	• heteromorphisms n. Plural of heteromorphism. • HETEROMORPHISM n. the state of having different forms.
MICROMORPHOLOGY	• micromorphology n. (Biology, mineralogy, soil science) The fine-level structures or morphology of an organism, mineral… • micromorphology n. Microstructure. • MICROMORPHOLOGY n. the microscopic structure of a material, as a mineral or a biological cell, aka microstructure.
MICROPHOTOMETER	• microphotometer n. (Physics) Any of various photometers used either to measure the variation of densities over small areas… • MICROPHOTOMETER n. an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate.
MICROPHOTOMETRY	• microphotometry n. Measurement performed with a microphotometer. • MICROPHOTOMETRY n. measurement by microphotometer, an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate.
ORTHOCHROMATISM	• orthochromatism n. Quality of being orthochromatic. • ORTHOCHROMATISM n. the state of being orthochromatic, of photographic film, sensitive to all colours except red.
PHOTOGRAMMETRIC	• photogrammetric adj. Of or pertaining to photogrammetry. • PHOTOGRAMMETRIC adj. relating to measurement by photogrammetry.
THERIOMORPHISMS	• theriomorphisms n. Plural of theriomorphism. • THERIOMORPHISM n. the belief that gods exist in animal form.
THERMOBAROMETER	• thermobarometer n. (Obsolete, physics) An instrument that measured altitudes via the boiling point of water. • thermobarometer n. (Geology) A mineral used to estimate temperature and pressure in the rocks during its formation. • THERMOBAROMETER n. an apparatus that provides an accurate measurement of pressure by observation of the change in the boiling point of a fluid.
THERMOCHROMISMS	• THERMOCHROMISM n. a phenomenon in which certain dyes made from liquid crystals change colour reversibly when their temperature is change, also THERMOCHROMY.
THERMOPERIODISM	• thermoperiodism n. The property of being thermoperiodic. • THERMOPERIODISM n. the effect on an organism of rhythmic temperature variations.
TRIBROMOMETHANE	• tribromomethane n. (Organic chemistry) bromoform. • TRIBROMOMETHANE n. another name for bromoform, a bromine compound analogous to chloroform.

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: 121 words
Scrabble in French: 20 words
Scrabble in Spanish: 21 words
Scrabble in Italian: 60 words
Scrabble in German: no word
Scrabble in Romanian: 9 words

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