Cases of word usage

1) the state of being unable to feel pain, heat (anaesthesia)

2) (of fish, vegetables, cakes etc) to cook, be cooked, by dry heat in an oven (bake)

3) an injury, mark, made by fire, heat or acid (burn)

4) a kind of black mineral that burns and supplies heat (coal)

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

6) a pipe used for carrying heat or smoke away from a boiler etc (flue)

7) a meeting-point of rays of light, heat etc; a point, distance, where the sharpest outline is given (to the eye, through a telescope, through a lens on a camera etc) (focus)

8) any substance used for producing heat or energy, e.g. coal, oil (fuel)

9) having great heat or a high temperature (hot)

10) (of) the form of light (between visible colours and radio waves) producing heat (infrared)