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

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There are 17 fifteen-letter words containing M, 2O, 2R, S and Y

ARCHEOASTRONOMY	• archeoastronomy n. Alternative spelling of archaeastronomy. • ARCHEOASTRONOMY n. the scientific study of the beliefs and practices concerning astronomy that existed in ancient and prehistoric civilizations.
CRYPTOSPORIDIUM	• cryptosporidium n. Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that… • Cryptosporidium prop.n. A taxonomic genus within the family Cryptosporidiidae – coccidian protozoan parasites causing the disease… • CRYPTOSPORIDIUM n. any of a genus of protozoans parasitic in the gut of vertebrates including humans and sometimes causing diarrhea.
DEMERITORIOUSLY	• DEMERITORIOUS adv. not meritorious.
ECTOMYCORRHIZAS	• ectomycorrhizas n. Plural of ectomycorrhiza. • ECTOMYCORRHIZA n. a type of mycorrhiza in which the fungus forms a layer on the outside of the roots of the plant.
ELECTROMYOGRAMS	• electromyograms n. Plural of electromyogram. • ELECTROMYOGRAM n. a tracing made by an electromyograph.
HYPOMENORRHOEAS	• hypomenorrhoeas n. Plural of hypomenorrhoea. • HYPOMENORRHOEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHEA.
HYSTRICOMORPHIC	• HYSTRICOMORPHIC adj. belonging to the rodent suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas.
MICROPYROMETERS	• MICROPYROMETER n. a pyrometer for measuring the temperature of very small objects.
MICROSPOROCYTES	• microsporocytes n. Plural of microsporocyte. • MICROSPOROCYTE n. a microspore mother cell.
MICROSPOROPHYLL	• microsporophyll n. A leaflike organ that bears one or more microsporangia (contrast megasporophyll or macrosporophyll). • MICROSPOROPHYLL n. a specialised leaf bearing or subtending one or more microsporangia.
MYOCARDIOGRAPHS	• MYOCARDIOGRAPH n. an instrument for recording the movements of heart muscle.
MYRISTICIVOROUS	• MYRISTICIVOROUS adj. feeding upon nutmegs.
PYROPHOTOMETERS	• PYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits.
RHOMBENPORPHYRS	• RHOMBENPORPHYR n. an intermediate, moderately fine-grained igneous rock with feldspar phenocrysts rhombic in section, also RHOMBENPORPHYRY, RHOMBPORPHYRY.
RHOMBPORPHYRIES	• RHOMBPORPHYRY n. an intermediate, moderately fine-grained igneous rock with feldspar inclusions, also RHOMBENPORPHYR, RHOMBENPORPHYRY.
SEMIPORNOGRAPHY	• semipornography n. Material that is partly or somewhat pornographic. • SEMIPORNOGRAPHY n. material approaching the pornographic.
ULTRAMICROSCOPY	• ultramicroscopy n. The scientific use of the ultramicroscope. • ULTRAMICROSCOPY n. microscopy using an ultramicroscope.

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: 155 words
Scrabble in French: 4 words
Scrabble in Spanish: 11 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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