[Sephardic Hebrew peer-ke ah-vawt; Ashkenazic Hebrew pir-key-aw-vohs] /Sephardic Hebrew pirˈkɛ ɑˈvɔt; Ashkenazic Hebrew ˈpɪr keɪˈɔ voʊs/
a treatise of the Mishnah that comprises six chapters and consists chiefly of proverbs, aphorisms, and principles of ethics, law, and religion.
[ih-thin-uh-meyt] /ɪˈθɪn əˌmeɪt/ noun, Pharmacology. 1. a crystalline, slightly water-soluble powder, C 9 H 13 NO 2 , used as a hypnotic.
[eth-ahyn, e-thahyn] /ˈɛθ aɪn, ɛˈθaɪn/ noun, Chemistry. 1. .
[eth-ee-on] /ˈɛθ iˌɒn/ noun, Biochemistry. 1. a highly toxic organophosphate, C 9 H 22 O 4 P 2 S 3, used as a pesticide.
[eth-ee-on-uh-mahyd] /ˌɛθ iˈɒn əˌmaɪd/ noun, Pharmacology. 1. an antimicrobial substance, C 8 H 10 N 2 S, used against susceptible Mycobacterium tuberculosis in combination with other drugs in the treatment of any active form of tuberculosis.