List of 13-letter words containing

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There are 18 thirteen-letter words containing TETR

OBSTETRICALLY	• obstetrically adv. (Medicine) In terms of obstetrics. • OBSTETRICAL adv. relating to the care of women during pregnancy, also OBSTETRIC.
OBSTETRICIANS	• obstetricians n. Plural of obstetrician. • OBSTETRICIAN n. one who specialises in the care of women during pregnancy.
TETRABASICITY	• tetrabasicity n. The quality of being tetrabasic. • TETRABASICITY n. the state of being tetrabasic.
TETRACHLORIDE	• tetrachloride n. (Chemistry) any chloride containing four chlorine atoms in each molecule. • TETRACHLORIDE n. a chloride containing four atoms of chlorine.
TETRACYCLINES	• tetracyclines n. Plural of tetracycline. • TETRACYCLINE n. a yellow crystalline broad-spectrum antibiotic produced by streptomyces or synthetically.
TETRADRACHMAS	• tetradrachmas n. Plural of tetradrachma.
TETRADRACHMON	• tetradrachmon n. Alternative form of tetradrachm.
TETRADYNAMOUS	• tetradynamous adj. (Botany) Belonging to the order Tetradynamia; having six stamens, four of which are uniformly longer than the others. • TETRADYNAMOUS adj. having six stamens, two shorter than the other four.
TETRAFLUORIDE	• tetrafluoride n. (Chemistry) Any chloride containing four fluorine atoms in each molecule. • TETRAFLUORIDE n. a fluoride containing four atoms of fluorine.
TETRAHEDRALLY	• tetrahedrally adv. In a tetrahedral manner; arranged in tetrahedrons. • TETRAHEDRAL adv. of a solid with four sides.
TETRAHEDRITES	• tetrahedrites n. Plural of tetrahedrite. • TETRAHEDRITE n. native sulphide of antimony, iron, and copper, forming a series with tennantite and typically occurring as tetrahedral crystals.
TETRAPLOIDIES	• tetraploidies n. Plural of tetraploidy. • TETRAPLOIDY n. the state of being tetraploid, having four haploid sets of chromosomes.
TETRAPYRROLES	• tetrapyrroles n. Plural of tetrapyrrole. • TETRAPYRROLE n. a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring, as in chlorophyll.
TETRASTICHOUS	• tetrastichous adj. (Botany) Arranged in four vertical rows. • TETRASTICHOUS adj. having four rows.
TETRASYLLABIC	• tetrasyllabic adj. Having four syllables. • TETRASYLLABIC adj. having four syllables, also TETRASYLLABICAL.
TETRASYLLABLE	• tetrasyllable n. (Also used attributively) A word comprising four syllables. • TETRASYLLABLE n. a word with four syllables.
TETRAVALENCES	• TETRAVALENCE n. the condition of having a valency of four, also TETRAVALENCY.
TETRODOTOXINS	• tetrodotoxins n. Plural of tetrodotoxin. • TETRODOTOXIN n. a deadly nerve poison found in a species of Japanese puffer fish, also TETROTOXIN.

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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English Wiktionary: 160 words
Scrabble in French: 15 words
Scrabble in Spanish: 5 words
Scrabble in Italian: 3 words
Scrabble in German: no word
Scrabble in Romanian: 50 words

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