An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
Look out
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Made famous by the late Ronnie James Dio of Rainbow, Black Sabbath, Heaven and Hell and Dio. Dio would often shout at the top of his lungs in parts of a song Look out!. Best used in context with a loud raspy voice while flashing the horns. Most commonly heard when describing an impending situation or event loosely connected to Heavy Metal.
Look out is also a phrase used in tribute to Dio, often yelled by rockers before they down a shot, take a drink or on hearing the opening riff of a Dio song.
Look out meaning & definition 1 of Look out.
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to watch what is happening and be careful:
Look out meaning & definition 2 of Look out.
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