a morphine by-product that is not because strong as morphine; made use of as an emetic plus little doses as a sedative
- A crystalline alkaloid gotten from morphia. It's a effective emetic.
(letter.) A crystalline alkaloid acquired from morphia. It is a powerful emetic.
But apomorphine is not always to be obtained, and even if it be administered it may fail, since the gastric wall is often paralysed in opium poisoning, so that no emetic can act.