French physicist who during World War I pioneered the use of sonar techniques to detect submarines. He also advanced the theory of magnetism and the study of the molecular structure of gases.
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How to use Langevin in a sentence
The outline of the castle is egg-shaped; and the following are its dimensions, in French measure, according to M. Langevin.Account of a Tour in Normandy, Vol. II. (of 2) | Dawson Turner
The next morning, Fougas, laden down like a miller's ass with bon-bons, presented himself at M. Langevin's.
M. Langevin here made his appearance, freshly shaven and rubicund—a fine specimen of the sub-prefect in embryo.
He detailed the romance of his life, without omitting anything, but with many delicate touches for the filial ears of M. Langevin.
He smiled to himself on regarding Grandfather Langevin, the reputed progenitor of this numerous family.