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List of 13-letter words containing

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There are 20 thirteen-letter words containing I, L, 2N, O, P, T and U

ANTIPOLLUTIONantipollution n. Anything that helps the environment by reducing pollution.
antipollution adj. Reducing or opposing pollution.
ANTIPOLLUTION adj. designed to prevent or reduce pollution.
ENCAPSULATIONencapsulation n. The act of enclosing in a capsule; the growth of a membrane around (any part) so as to enclose it in a capsule.
encapsulation n. (Programming, object-oriented programming) Grouping together an object’s ‘state’ (its data) and the…
encapsulation n. (Networking) The process of arranging data into packets that can be transmitted using a given protocol.
INCAPSULATIONincapsulation n. Alternative form of encapsulation.
INCAPSULATION n. the act of incapsulating.
INDUPLICATIONinduplication n. The quality of being induplicate.
INDUPLICATION n. being folded inwards.
INOPPORTUNELYinopportunely adv. In an inopportune manner.
INOPPORTUNE adv. inconvenient, unseasonable.
INTERCOUPLINGintercoupling v. Present participle of intercouple.
MANIPULATIONSmanipulations n. Plural of manipulation.
MANIPULATION n. the act of manipulating.
NUCLEOPROTEINnucleoprotein n. (Biochemistry) Any complex of a nucleic acid and a protein.
NUCLEOPROTEIN n. a compound that consists of a protein (as a histone) conjugated with a nucleic acid (as a DNA) and that is the principal constituent of the hereditary material in chromosomes.
PANDICULATIONpandiculation n. A stretching and stiffening of the trunk and extremities, as when fatigued and drowsy or on waking…
PANDICULATION n. a stretching out when drowsy or when waking.
PEDUNCULATIONpedunculation n. The condition of being pedunculate.
pedunculation n. A mass of peduncles.
PEDUNCULATION n. the state of being pedunculate.
PLASTOQUINONEplastoquinone n. (Biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis.
PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation.
PLENITUDINOUSplenitudinous adj. Characterised by plenitude; abundant.
PLENITUDINOUS adj. full, complete.
PUNCTULATIONSpunctulations n. Plural of punctulation.
PUNCTULATION n. the state of having small spots.
SULPHONATIONSsulphonations n. Plural of sulphonation.
SULPHONATION n. the act of sulphonating.
SUPERNATIONALsupernational adj. Spanning nations; having large autonomy.
SUPERNATIONAL adj. overriding national sovereignty; in or belonging to more than one nation.
SUPPLANTATIONsupplantation n. The act of supplanting.
supplantation n. The condition of having been displaced.
SUPPLANTATION n. the act of supplanting.
SUPRANATIONALsupranational adj. Beyond the borders or scope of any one nation.
supranational n. Such a person or organization.
SUPRANATIONAL adj. transcending national boundaries, authority, or interests.
UNCOMPLAISANTuncomplaisant adj. Not complaisant.
UNCOMPLAISANT adj. not complaisant.
UNEXCEPTIONALunexceptional adj. Not exceptional.
UNEXCEPTIONAL adj. not out of the ordinary.
UNIMPORTANTLYunimportantly adv. In a way that is not important; insignificantly.

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: 87 words
  • Scrabble in French: 19 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 19 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 81 words


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