| 释义 |
picamar Chem.|ˈpɪkəmɑː(r)|
[mod. (Reichenbach) f. L. pix, pic-em pitch + amārus bitter.]
An intensely bitter thick transparent oil, obtained in the distillation of wood-tar.
1836J. M. Gully Magendie's Formul. (ed. 2) 202 The last product is creosote unalloyed by eupione, picamare, water, or other matters. 1840Penny Cycl. XVIII. 143/2 Picamar. a1864Gesner Coal, Petrol., etc. (1865) 90 Picamar was discovered by Reichenbach, with creosote, in the heavy oil of tar. |