Definitions
1.verbTo subject to great heat and then (often slow) cooling, and sometimes reheating and further cooling, for the purpose of rendering less brittle; to temper; to toughen.
2.verbTo cool glass slowly, to minimize internal stress.
3.verbTo burn colors onto a glass or other surface.
4.verbTo make a double-stranded nucleic acid by pairing a single strand with a complementary strand.
5.verbTo strengthen or harden."The experience annealed them, strengthening their resolve."