Definition of "perspiration" noun usually uncountable , plural perspirations
The action or process of perspiring . quotations examples
Quotations The Cauſe may be Want of Perſpiration : For Much of the Matter of Haire , in the other Parts of the Body , goeth forth by Inſenſible Perſpiration ; And beſides , the Skull being of a more ſolide Subſtance , nouriſheth and aſſimilateth leſſe , and excerneth more.
1627, Francis Bacon, Sylva Sylvarum: or, A Naturall Historie, London: W. Lee, Cent. VII, section 680, page 170
(by extension) Hard work . quotations examples
Quotations Genius is 1 per cent . inspiration and 99 per cent . perspiration
1910, Frank Lewis Dyer, Thomas Commerford Martin, quoting Thomas Edison, Edison: His Life and Inventions, volume II, New York: Harper & Brothers, page 607