Thin, flat pieces of something that break off easily, like snow flakes or cereal flakes.
From Old Norse 'flak' or Middle English 'flake,' related to words meaning 'thin' or 'to split.' The word originally referred to slivers of stone or ice, then generalized to any thin, flat fragment.
Every snowflake has a unique crystalline structure because of the specific temperature and humidity conditions it encounters falling through the air—it's scientifically impossible for two snowflakes to be identical given the complexity of ice crystal formation.
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