a. and sb. Also -ant. [ad. L. expellent-em, pr. pple. of expellĕre to EXPEL.]
A. adj. That expels or tends to expel.
1858. Greener, Gunnery, 33. The construction of the gun being perfect … can the expellant force be brought to an equal state of perfection.
1885. J. Strong, Our Country, iv. 32. The expellent influences of Europe. Social or political upheavals send new waves of immigration to our shores.
B. sb. An expellent medicine.
1823. Crabb, Technol. Dict., Expellents, medicines supposed to expel morbid humours from the body.
