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 List of 12-letter words containing •••••Click to add a seventh letter
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 There are 7 twelve-letter words containing I, 3O, T and X| EXOBIOLOGIST | • exobiologist n. A biologist whose speciality is exobiology. • EXOBIOLOGIST n. a student of exobiology.
 |  | PHOTOOXIDISE | • PHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE. |  | PHOTOOXIDIZE | • photooxidize v. To oxidize photochemically. • PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
 |  | TETRODOTOXIN | • tetrodotoxin n. (Neurotoxicology) A neurotoxin, originally discovered in Tetraodontiformes, and found in pufferfish… • TETRODOTOXIN n. a deadly nerve poison found in a species of Japanese puffer fish, also TETROTOXIN.
 |  | TOXICOLOGIES | • toxicologies n. Plural of toxicology. • TOXICOLOGY n. the science which treats of poisons, their effects, antidotes, and recognition.
 |  | TOXICOLOGIST | • toxicologist n. A scientist or physician who specializes in toxicology. • TOXICOLOGIST n. an expert in toxicology.
 |  | TOXICOPHOBIA | • toxicophobia n. A morbid fear of poisons or being poisoned. • TOXICOPHOBIA n. the morbid fear of poisoning, also TOXIPHOBIA.
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 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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