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There are 17 twelve-letter words beginning with CHEM

CHEMIOSMOSES	• chemiosmoses n. Plural of chemiosmosis. • CHEMIOSMOSIS n. the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated.
CHEMIOSMOSIS	• chemiosmosis n. (Chemistry) Any chemical reaction that occurs through an intervening semipermeable membrane, especially… • CHEMIOSMOSIS n. the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated.
CHEMIOSMOTIC	• chemiosmotic adj. Of or pertaining to chemiosmosis. • CHEMIOSMOTIC adj. relating to a hypothesis to explain ATP formation.
CHEMISORBING	• chemisorbing v. Present participle of chemisorb. • CHEMISORB v. to adsorb by chemical action, also CHEMOSORB.
CHEMOAUTROPH	• CHEMOAUTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTOTROPH.
CHEMOCEPTORS	• chemoceptors n. Plural of chemoceptor. • CHEMOCEPTOR n. a sensory receptor in a biological cell membrane to which an external molecule binds to generate a smell or taste sensation.
CHEMOKINESES	• CHEMOKINESIS n. the random movement of cells, such as leucocytes, stimulated by substances in their environment.
CHEMOKINESIS	• chemokinesis n. (Chemistry, biology) The motile response of an organism to chemical compounds, especially at a cellular level. • CHEMOKINESIS n. the random movement of cells, such as leucocytes, stimulated by substances in their environment.
CHEMOMETRICS	• chemometrics n. (Chemistry) The use of mathematical statistics in the design of experiments, and the evaluation of the resulting data.
CHEMONASTIES	• CHEMONASTY n. plant movement provoked but not orientated by a chemical action.
CHEMOSORBING	• chemosorbing v. Present participle of chemosorb. • CHEMOSORB v. to adsorb by chemical action, also CHEMISORB.
CHEMOSPHERES	• chemospheres n. Plural of chemosphere. • CHEMOSPHERE n. the thermosphere, the outermost layer of the atmosphere.
CHEMOSPHERIC	• CHEMOSPHERIC adj. relating to the chemosphere, the outermost layer of the atmosphere.
CHEMOSURGERY	• chemosurgery n. (Medicine) The selective destruction of diseased or malignant tissue by means of chemical substances;… • CHEMOSURGERY n. the chemical removal of diseased or unwanted tissue.
CHEMOTAXISES	• CHEMOTAXIS n. orientation of an animalcule relative to a chemical substance.
CHEMOTHERAPY	• chemotherapy n. (Medicine) Any chemical treatment intended to be therapeutic with respect to a disease state. • chemotherapy n. (Oncology, most common usage) chemical treatment to kill or halt the replication and/or spread of cancerous… • CHEMOTHERAPY n. therapy involving the use of chemicals.
CHEMOTROPISM	• chemotropism n. (Biology) The movement or growth of an organism in response to a chemical stimulus. • CHEMOTROPISM n. plant growth in the direction of a particular chemical.

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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English Wiktionary: 80 words
Scrabble in French: 8 words
Scrabble in Spanish: no word
Scrabble in Italian: 6 words
Scrabble in German: no word
Scrabble in Romanian: 18 words

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