Definition of "lightenings" [lightenings]

• Plural form of lightening. (noun)

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• "This set includes bliss glamour gloves (self-activating, rapeseed and multivitamin gel-lined moisture gloves) and bliss glamour glove gel (an anti-aging treatment gel that sinks deep into the skin to treat sunspots with lightenings lemon and pigment purging parsley extract). £48 www.blisslondon.co.uk"
• "Apparently, thundersnow is a snow storm where it lightenings and thunders as the snow falls, creating I think an almost strobe-light effect."
• "B. however supports Rossetti, and in point of fact Shelley usually wrote lightenings, even where the word counts as a dissyllable (Locock)."