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boil-over

[boil-oh-ver] /ˈbɔɪlˌoʊ vər/
noun, Australian and New Zealand Slang.
1.
an unexpected result.
Origin
noun use of verb phrase boil over
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for boil-over
  • If the material comes in contact with water, it can rapidly expand, resulting in foaming and explosive boil-over.
  • Hold over a flame until the acid boils, shaking a little to avoid a strong, abrupt boil-over.

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