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 | Biology-Online Dictionary
Jump to: navigation, search


1. The act of burning or searing. (Sir W. Petty)

2. (Science: chemistry) The operation of expelling one substance from another by heat, as sulphur or arsenic from ores, in a muffle.

3. (Science: pharmacology) The roasting or drying of moist substances so as prepare them for pulverizing. The burning of wine.

4. Lascivious passion; concupiscence. It is not certain that they took the better part when they chose ustulation before marriage, expressly against the apostle. (Jer. Taylor)

Origin: Cf. F. Ustulation.