What is "sublation"

Sublation \Sub*la"tion\, n. [L. sublatio, fr. sublatus, used as p. p. of tollere to take away.] The act of taking or carrying away; removal. [R.]
--Bp. Hall.

n. 1 (context chemistry English) A flotation method in which the material to be separated is adsorbed on the surface of gas bubbles in a liquid and is collected on an upper layer of an immiscible liquid 2 removal, taking away.

Sublation may refer to:

• Sublation, a translation of the German term aufheben
• Ritual purification, the purification or exaltation of matter by its negation or redirection