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September 20, 1965

Liquids and Gases Are Fluids

JAMA. 1965;193(12):1063. doi:10.1001/jama.1965.03090120071030

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To the Editor:—  I enjoyed very much your editorial (JAMA193:152-153 [July 12] 1965) which gives an example of felicitous writing in the quotation from W.C. Bornemeier's article on hemorrhoidectomy, where he praises the sphincter ani for its supreme ability to "... differentiate between solid, fluid, and gas." I am interested in the word fluid here, which is correct according to medical usage but not as accurate as the word liquid which, like gas, is also a fluid. Physicists and engineers speak of "liquid levels." I myself used this phrase in articles on hydrothorax. French physicians say niveau liquide, and Spanish physicians use nivel liquido, not fluido.

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