crisis, 303 Crookes, 195, 488, 527-8 crude fact, 326, 330 Curie, 312-3, 318 current, 186 curvature, 58-9 curve, 213, 346 curves without tangents, 51 cut, 52, 256 cyclones, 353 d'Alembert, 538 Darwin, 518-9 De Cyon, 276, 427 Dedekind, 44-5 Defforges, 542 definitions, 430, 453 deformation, 73, 415 Delage, 277 Delambre, 539 Delbeuf, 414 Descartes, 127 determinism, 123, 340 dictionary, 59 didymium, 333 dilatation, 76 dimensions, 53, 68, 78, 241, 256, 426
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