How to pronounce heating:
Example: "The heating system wasn't working"
To cause an increase in temperature of (an object or space); to cause to become hot (often with "up").
Example: "I'll heat up the water."
To become hotter.
Example: "There's a pot of soup heating on the stove."
To excite or make hot by action or emotion; to make feverish.
To excite ardour in; to rouse to action; to excite to excess; to inflame, as the passions.
To arouse, to excite (sexually).
Example: "The massage heated her up."
Causing heat.