red bark

noun

1. a kind of cinchona containing a high proportion of alkaloids

Example Sentences

One pound of red bark afforded, to Pelletier and Caventou, 74 grains of cinchonina, and 107 grains of quinina.

From Project Gutenberg

The official “bark” of the British Pharmacopoeia is that of Cinchona succirubra or red bark.

From Project Gutenberg

It is an attractive and ever-pleasing tree, its dark red bark soon making it a familar friend.

From Project Gutenberg

She made them out of the pieces of red bark which flaked off the pine-trunks and lay in heaps by the edge of the pool.

From Project Gutenberg

In observing apricots, I have learned that young twigs with red bark are more resistant to cold than those with brown.

From Project Gutenberg