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List of 12-letter words containing

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There are 17 twelve-letter words containing H, L, O, 2P, R and T

GLYPTOGRAPHYglyptography n. (Art) carving or engraving on precious stone.
GLYPTOGRAPHY n. the art of engraving on gems.
HYPOPLASTRONhypoplastron n. The third lateral plate in the plastron of turtles.
HYPOPLASTRON n. the plate behind the hyoplastron in a turtle's plastron.
LOPHOPHORATElophophorate adj. (Zoology) Having a lophophore.
lophophorate n. (Zoology) A member of the Lophophorata, a clade of invertebrate animals.
LOPHOPHORATE adj. of or like a lophophore, a ring of ciliated tentacles round the mouth of some sedentary marine animals.
PETROGLYPHICpetroglyphic adj. Of or pertaining to petroglyphy.
PETROGLYPHIC adj. of or like a petroglyph, an ancient rock-carving.
PHILANTHROPEphilanthrope n. (Archaic) A philanthropist.
PHILANTHROPE n. someone who tries to benefit mankind.
PHILANTHROPYphilanthropy n. (Chiefly uncountable) Benevolent altruism with the intention of increasing the well-being of humankind.
philanthropy n. (Uncountable) Charitable giving, charity.
philanthropy n. (Countable) A philanthropic act.
PHOTOPOLYMERphotopolymer n. (Chemistry) Any polymer that reacts to light with a physical or chemical change, used especially for teeth fillings.
PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
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.
POLYGRAPHISTpolygraphist n. A person skilled in the operation of a polygraph (lie detector).
POLYGRAPHIST n. one who operates a polygraph.
PROPHYLACTICprophylactic n. A medicine which preserves or defends against disease; a preventive.
prophylactic n. (Figuratively) Any device or mechanism intended to prevent harmful consequences.
prophylactic adj. Serving to prevent or protect against an undesired effect, especially disease or pregnancy.
PROTOPHLOEMSprotophloems n. Plural of protophloem.
PROTOPHLOEM n. the first-formed phloem that develops from procambium, usually associated with a region of rapid growth.
PSILANTHROPYpsilanthropy n. (Theology) The doctrine that Jesus Christ was merely human.
PSILANTHROPY n. the belief that Christ was not divine but divinely inspired.
PYROPHYLLITEpyrophyllite n. (Mineralogy) A soft, pale aluminosilicate mineral, somewhat resembling talc.
PYROPHYLLITE n. a silvery-white to pale-green aluminum silicate.
PYROSULPHATEpyrosulphate n. (Inorganic chemistry, Britain) Alternative spelling of pyrosulfate.
PYROSULPHATE n. a salt of sulphur.
SPHEROPLASTSspheroplasts n. Plural of spheroplast.
SPHEROPLAST n. a bacterium or yeast cell that is modified, as by enzymatic action, so that there is partial loss of the cell wall and increased osmotic sensitivity.
TROPHOPLASMStrophoplasms n. Plural of trophoplasm.
TROPHOPLASM n. the nutritive substance of cell.
TROPOPHILOUStropophilous adj. (Biology) Adapted to seasonal changes.
TROPOPHILOUS adj. flourishing in seasonal extremes of climate.

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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See this list for:

  • English Wiktionary: 91 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 5 words


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