List of 13-letter words containing •••••••

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There are 19 thirteen-letter words containing H, M, 2O, P, R, S and Y

CHLAMYDOSPORE	• chlamydospore n. A thick-walled spore that is the resting stage of some bacteria. • CHLAMYDOSPORE n. a thick-walled usually resting fungal spore.
CHLOROPHYTUMS	• CHLOROPHYTUM n. any plant of the genus Chlorophytum, grown as pot plants for their long narrow leaves.
HYDROTROPISMS	• hydrotropisms n. Plural of hydrotropism. • HYDROTROPISM n. growth in the direction of water.
HYLOMORPHISMS	• hylomorphisms n. Plural of hylomorphism. • HYLOMORPHISM n. the belief that matter is the cause of the universe.
HYMENOPTERONS	• hymenopterons n. Plural of hymenopteron. • HYMENOPTERON n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERAN.
HYMENOPTEROUS	• hymenopterous adj. (Entomology) Of the order Hymenoptera; hymenopteran. • HYMENOPTEROUS adj. having four membranous wings, as do ants, bees and wasps.
HYSTRICOMORPH	• hystricomorph n. Any Old World porcupine of the family Hystricidae. • HYSTRICOMORPH n. any rodent of a suborder which includes porcupines, cavies, agoutis, and chinchillas.
LYMPHOSARCOMA	• lymphosarcoma n. (Pathology) A diffuse malignant lymphoma. • LYMPHOSARCOMA n. a tumour of the lymph glands.
MICROPHYLLOUS	• microphyllous adj. (Phytotomy) Of or having microphyll leaves. • MICROPHYLLOUS adj. having minute leaves.
PHARMACOGNOSY	• pharmacognosy n. A branch of pharmacology that studies medical substances that are derived from natural sources, and their recognition. • PHARMACOGNOSY n. the study of drugs of animal and plant origin.
PHOTOPOLYMERS	• photopolymers n. Plural of photopolymer. • PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
PHYTOHORMONES	• phytohormones n. Plural of phytohormone. • PHYTOHORMONE n. a plant hormone, regulating growth.
POLYMORPHISMS	• polymorphisms n. Plural of polymorphism. • POLYMORPHISM n. the circumstance in which two minerals with different crystalline structures have identical chemical compositions, e.g. diamond and graphite.
PYROMORPHITES	• pyromorphites n. Plural of pyromorphite. • PYROMORPHITE n. a green, brown, or yellow lead ore.
PYTHONOMORPHS	• pythonomorphs n. Plural of pythonomorph. • PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.
RHYTHMOPOEIAS	• RHYTHMOPOEIA n. the art of composing rhythmically.
SYMBOLOGRAPHY	• SYMBOLOGRAPHY n. symbolic writing or representation.
TOPOCHEMISTRY	• topochemistry n. (Chemistry) The chemistry of reactions that are dependent on, or change, the topology of the reactants. • TOPOCHEMISTRY n. the study of reactions that only occur at specific regions in a system.
ZYGOMORPHISMS	• ZYGOMORPHISM n. the state of being zygomorphic, bilaterally symmetrical.

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: 98 words
Scrabble in French: 10 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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