He looks into the heat of the day for a time longer.

She was coming into full heat for the first time.

They come into heat in the back half of the summer.

A female comes into heat for only two or three days each year.

He turned and went back into the heat of the kitchen.

Only after you'd gone into heat for the first time could it come out.

This energy is turned into heat to warm the house.

He would like to stand at the foot of the bed and watch her go into heat.

I stepped out into the heat, then turned back to face her.

His name seemed to flow away from him into the heat.