heat·proof 
(hētprf′)
(hētprf′)adj.
Unaffected by heat. Used especially of plastic, glass, or ceramic utensils that may be used directly over a flame or in an oven.
- circle graph
- circler
- circlet
- circle the wagons
- circuit
- circuit board
- circuit breaker
- circuit court
- circuitous
- circuitously
- circuitousness
- circuit rider
- circuitry
- circuit training
- circuity
- circular
- circular file
- circular function
- circularity
- circularization
- circularize
- circularizer
- circularly
- circular measure
- circular mil