Confused and have questions? We’ve got answers.
With Chegg Study
, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors
From Biology-Online Dictionary
(Science: medicine) A medicine supposed to expel black bile or choler.
Origin: Gr, black _ leading, driving, to lead.