What is heat?

Heat

In physics and chemistry, heat is energy transferred from one body to another by thermal interactions. The transfer of energy can occur in a variety of ways, among them conduction, radiation, and convection. Heat is not a property of a system or body, but instead is always associated with a process of some kind, and is synonymous with heat flow and heat transfer.

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Famous quotes containing the word heat:

    For it is wretchedness that endures, shedding its cancerous light on all it approaches:
    Words spoken in the heat of passion, that might have been retracted in good time,
    All good intentions, all that was arguable.
    John Ashbery (b. 1927)

    And suddenly, to be dying
    Is not a little or mean or cheap thing,
    Only wearying, the heat unbearable ...
    John Ashbery (b. 1927)

    The train was crammed, the heat stifling. We feel out of sorts, but do not quite know if we are hungry or drowsy. But when we have fed and slept, life will regain its looks, and the American instruments will make music in the merry cafe described by our friend Lange. And then, sometime later, we die.
    Vladimir Nabokov (1899–1977)