Mushrooming definitions

Mushrooming

1) Growing
Found on https://www.crosswordclues.com/clue/mushrooming

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Mushrooming

Carbon mushrooms form at the top of a candle's wick, caused by incomplete combustion. This can be caused by the type of wick, and cooler burning additives like petro, crisco & some scented oils.
Found on http://www.candlecauldron.com/dictionary.html

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