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There are 12 twelve-letter words containing D, 2E, I, O, 2P and S

EPIDIASCOPESepidiascopes n. Plural of epidiascope.
EPIDIASCOPE n. an instrument for projecting images of objects.
EXOPEPTIDASEexopeptidase n. (Biochemistry) Any of a group of enzymes which catalyze the removal of a single amino acid from the…
EXOPEPTIDASE n. any of a group of enzymes that hydrolyze peptide bonds.
HORSEWHIPPEDhorsewhipped v. Simple past tense and past participle of horsewhip.
HORSEWHIP v. to beat with a horsewhip.
MUCOPEPTIDESmucopeptides n. Plural of mucopeptide.
MUCOPEPTIDE n. another name for peptidoglycan.
OCTAPEPTIDESoctapeptides n. Plural of octapeptide.
OCTAPEPTIDE n. a protein fragment or molecule that consists of eight amino acids linked in a polypeptide chain.
OPEIDOSCOPESopeidoscopes n. Plural of opeidoscope.
OPEIDOSCOPE n. an instrument for illustrating sound by means of light.
OVERSUPPLIEDoversupplied v. Simple past tense and past participle of oversupply.
OVERSUPPLY v. to supply to excess.
POLYDISPERSEpolydisperse adj. (Of a colloid) Having a range of particle sizes.
polydisperse adj. (Of a polymer, proscribed) Synonym of nonuniform (“composed of macromolecular species of differing molar masses”).
POLYDISPERSE adj. characterized by particles of varied sizes in the dispersed phase of a disperse system.
POLYPEPTIDESpolypeptides n. Plural of polypeptide.
POLYPEPTIDE n. a compound containing between 10 and 100 peptides.
PREDEPOSITEDpredeposited adj. Deposited in advance.
PREDEPOSIT v. to deposit in advance.
PTERIDOSPERMpteridosperm n. Any of various extinct gymnosperms, of the division Pteridospermatophyta, resembling ferns, but producing…
PTERIDOSPERM n. an extinct group of seed plants which bore fernlike leaves.
SUPERIMPOSEDsuperimposed v. Simple past tense and past participle of superimpose.
superimposed adj. Positioned on or above something else, especially in layers; superposed.
superimposed adj. (Geology) layered or stratified.

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: 86 words
  • Scrabble in French: 19 words
  • Scrabble in Spanish: 30 words
  • Scrabble in Italian: 31 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 22 words


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