the convening of heat from one part of a liquid or gas to another by the movement of heated substances

change of possession

(an instance, act, of) exchanging things

trade; deal

to restore (something worn or damaged) to good condition; to put (a bad or wrong act or result) right again

restoration, fixing

a change of place, direction or character; a change of one thing for another; a mechanism for changing gears in a vehicle; a group of workers that starts work as another group finishes; period for which such a group works

switch, fluctuation

an apparatus for making and breaking an electrical connection; an abrupt change; to change, change (things) over

change, exchange

(to cause a person, office etc) to change position, job etc; to hand over the possession of (property etc) (to a person)

change of possession