ANNEAL


Meaning of ANNEAL in English

I. əˈnēl, -ēəl transitive verb

( -ed/-ing/-s )

Etymology: Middle English anelen, from Old English onǣlan, from on on + ǣlan to set on fire, burn, bake, from āl fire; akin to Old Norse eldr fire, Old English ād funeral pyre — more at edify

1. : to heat (as glass) in order to fix laid-on colors

2.

a. : to heat and then cool usually for softening and rendering less brittle, gradual cooling being required for some materials (as steel and glass) but not for others (as copper and brass) — compare temper

b. : to process (structural-clay products) by slow cooling after subjection to heat in order to prevent checking, cracking, and warping

annealed paving brick

3. : strengthen , toughen

a man rocklike in endurance, rocklike in insensibility, annealed by a simple, rigorous religion — Lionel Trilling

II. noun

( -s )

: the act, process, or result of annealing

III. verb

transitive verb

: to heat and then cool (nucleic acid) in order to separate strands and induce combination at lower temperatures especially with complementary strands of a different species

intransitive verb

: to be capable of combining with complementary nucleic acid by a process of heating and cooling

some bacterial nucleic acid anneals well with eukaryotic DNA

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.