noun Also called colophony.
verb (used with object)
- rosie lee,
- rosin oil,
Origin of rosin
Examples from the Web for rosin
“Hell, get out of the way,” one researcher, a biologist who conducted early gender-selection studies, tells Rosin.
To show how it all plays out, Rosin spent many months reporting—and, indeed, The End of Men is rigorously researched.
Rosin says her goal is to help men and women learn to navigate these changes, not draw battle lines based on gender.
But Rosin was perhaps the first to string all the economic realities together in such staggering form.
A soap for this purpose should be easily soluble in water and contain no free alkali, rosin or filler.Soap-Making Manual|E. G. Thomssen
Rosin oils are seldom used with lead pigments, on account of the presence of sulphur in the oils, which would result in darkening.Paint Technology and Tests|Henry A. Gardner
Back, back we went, as fast as rosin and pine knots could force the engine to move us.Andersonville, Volume 4|John McElroy
Ordinary shellac almost invariably contains some rosin, but good button-lac is free from this substance.The Chemistry of Hat Manufacturing|Watson Smith
Apply the rosin to the joint, then with the heated iron and some solder tack the seam on the top, then on the bottom and middle.Elements of Plumbing|Samuel Dibble
Word Origin for rosin
late 13c., from Old French raisine, rousine, variants of résine (see resin). The verb is from mid- 14c. Related: Rosined; rosining.