Definition of summer lightning in English:

summer lightning

Line breaks: sum¦mer light|ning

noun

[mass noun]
Distant sheet lightning without audible thunder, typically occurring on a summer night.
More example sentences
  • A market trader I met, who left school unable to spell ‘orange’, could do mental arithmetic with the speed of summer lightning.
  • It lasted as long as a blast of summer lightning.
  • This elevated desert area is known for its awesome summer lightning storms and very clear night skies (accounting for the presence of several astronomical observatories).

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Pronunciation: ˈnɔɪs(ə)m
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having an extremely offensive smell