Any of a range of soluble, fusible resins used extensively in varnishes, which are formed by condensing formaldehyde with phenol using an acid catalyst.
Origin
Early 20th century. From classical Latin novusnew + -lak.
Definition of novolak in US English:
novolak
(also novolac)
nounˈnəʊvə(ʊ)lak
Manufacturing Technology
Any of a range of soluble, fusible resins used extensively in varnishes, which are formed by condensing formaldehyde with phenol using an acid catalyst.
Origin
Early 20th century. From classical Latin novus new + -lak.