frost quake

noun

单词	frost quake
释义	frost quake noun DEFINITIONS1 1 a deep loud sound made when frozen soil or rock suddenly cracks Loud booms startled sleeping Canadians last week when bitterly cold temperatures triggered an unusual weather event called frost quakes. Submitted by: Kerry from United Kingdom on 12/08/2015 Open Dictionary - August2015 Featured as a BuzzWord! The expressions frost quake and ice quake are of course formed by analogy with the word earthquake (= noun earth + verb quake meaning ‘shake violently’). Though earthquake dates as far back as the 13th century and only appears as a single word in contemporary English, frost quake and ice quake still appear to be at that intermediate state of lexicalization characterized by the co-occurrence of closed (one word) and open (two word) forms. Read more Noun☞frost quake
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