sclerotin
scle ro tin |ˈskli (ə )rətn, ˈskler- ˈsklɛrətn | ▶noun Biochemistry a structural protein that forms the cuticles of insects and is hardened and darkened by a natural tanning process in which protein chains are cross-linked by quinone groups. ORIGIN 1940s: from sclero- ‘hardened, ’ on the pattern of such words as keratin .
sclerotin |ˈsklɪərətɪn, ˈsklɛ -| ▶noun [ mass noun ] Biochemistry a structural protein which forms the cuticles of insects and is hardened and darkened by a natural tanning process in which protein chains are cross-linked by quinone groups. ORIGIN 1940s: from sclero- ‘hardened ’, on the pattern of such words as keratin .