any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.
Wild Weather Words You Need To KnowPeople talk about the weather all the time. And so, we present this list of weather words we think you need to know to join the conversation.
Why Did “Noon” Used To Mean 3:00? To most, the word noon signifies a specific time of day–namely, 12:00 midday, a.k.a. “lunchtime.” The counterweight to 12:00 midnight. But, surprisingly, the term noon wasn’t always shorthand for midday at 12:00; in fact, it used to refer to a different time of day altogether. First, some essential background. Clocks and watches are relatively new inventions. Though some timekeeping devices, like sundials and water clocks, …
Compare chemical weathering.
Also called physical weathering.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019