| bois durci | A hard, highly polishable composition, made of fine sawdust from hard wood (as rosewood) mixed with blood, and pressed. Origin: F, hardened wood. Source: Websters Dictionary (01 Mar 1998) |
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| bois d'arc | <botany> The Osage orange (Maclura aurantiaca). "The bois d'arc seems to be the characteristic growth of the black prairies." (U. S. Census (1880)) Origin: F, bow wood. So called because used for bows by the Western Indians. Source: Websters Dictionary (01 Mar 1998) |
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| pian bois | A form of New World cutaneous leishmaniasis caused by Leishmania braziliensis guyanensis in the Amazon delta; a small proportion of cases are said to metastasize to the nasal mucosa with espundia-like involvement. Synonym: bosch yaws, bush yaws, forest yaws. (05 Mar 2000) |
| Du Bois-Reymond, Emil | <person> German physiologist, 1818-1896. See: Du Bois-Reymond's law. (05 Mar 2000) |
| Du Bois-Reymond's law | A motor nerve responds, not to the absolute value, but to the alteration of value from moment to moment, of the electric current; i.e., rate of change of intensity of the current is a factor in determining its effectiveness. Synonym: Du Bois-Reymond's law. (05 Mar 2000) |