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List of 12-letter words containing

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There are 18 twelve-letter words containing G, L, M, O, P, S and T

EPISTEMOLOGYepistemology n. (Uncountable) The branch of philosophy dealing with the study of knowledge; theory of knowledge, asking…
epistemology n. (Countable) A particular instance, version, or school thereof; a particular theory of knowledge.
EPISTEMOLOGY n. the branch of philosophy that deals with the nature of knowledge.
ERGASTOPLASMergastoplasm n. (Anatomy) endoplasmic reticulum that is studded with ribosomes.
ERGASTOPLASM n. ribosome-studded endoplasmic reticulum.
GAMOPETALOUSgamopetalous adj. (Botany) Having petals wholly or partially fused in such a way that the corolla takes the form of a…
GAMOPETALOUS adj. petals partially fused.
MORPHOLOGISTmorphologist n. A person who studies morphology.
MORPHOLOGIST n. a student of morphology.
OPTIMALISINGoptimalising v. Present participle of optimalise.
OPTIMALISE v. to bring to the most desirable or most efficient state, also OPTIMALIZE.
PHRAGMOPLASTphragmoplast n. (Biology) A structure that forms in plant cells during late cytokinesis and serves as a scaffold for…
PHRAGMOPLAST n. the enlarged barrel-shaped spindle that is characteristic of the later stages of plant mitosis and within which the cell plate forms.
PLAGIOSTOMESplagiostomes n. Plural of plagiostome.
PLAGIOSTOME n. any fish families of the Plagiostomata or Plagiostomi, the cross-mouthed fishes, sharks and ray.
PLANOGAMETESplanogametes n. Plural of planogamete.
PLANOGAMETE n. a motile gamete.
PLASTOGAMIESPLASTOGAMY n. a process of fusion of the cytoplasm of two cells, the first step in syngamy, also PLASMOGAMY.
PLATFORMINGSPLATFORMING n. a process for reforming petroleum using a platinum catalyst.
POLYGLOTISMSpolyglotisms n. Plural of polyglotism.
POLYGLOTISM n. the use of many languages.
POLYGLOTTISMpolyglottism n. Alternative spelling of polyglotism.
POLYGLOTTISM n. the state of being polyglot.
POLYGONATUMSPOLYGONATUM n. the Solomon's seal genus Polygonatum, of the lily family.
POTAMOLOGIESPOTAMOLOGY n. the study of rivers.
POTAMOLOGISTpotamologist n. One who studies rivers.
POTAMOLOGIST n. one who studies rivers.
PROLONGMENTSprolongments n. Plural of prolongment.
PROLONGMENT n. the act of prolonging.
PROMULGATORSpromulgators n. Plural of promulgator.
PROMULGATOR n. one who promulgates.
SYMPTOMOLOGYsymptomology n. (Informal) symptomatology.
SYMPTOMOLOGY n. the science of symptoms.

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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