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:

    When the heat of the summer
    Made drowsy the land,
    A dragon-fly came
    And sat on my hand;
    Eleanor Farjeon (1881–1965)

    For my part, when I enter most intimately into what I call myself, I always stumble on some particular perception or other, of heat or cold, light or shade, love or hatred, pain or pleasure. I never can catch myself at any time without a perception, and never can observe anything but the perception.
    David Hume (1711–1776)

    Two wooden tubs of blue hydrangeas stand at the foot of the stone steps.
    The sky is a blue gum streaked with rose. The trees are black.
    The grackles crack their throats of bone in the smooth air.
    Moisture and heat have swollen the garden into a slum of bloom.
    Pardie! Summer is like a fat beast, sleepy in mildew....
    Wallace Stevens (1879–1955)