Covered with bloom or a powdery white coating; full of blossoms or flowers; characterized by blooming.
From 'bloom' (Old Norse blóm) plus the adjective-forming suffix '-y'. This suffix converts nouns into adjectives meaning 'having the quality of' or 'full of.'
The bloomy coating on grapes is called 'fruit bloom'—insects can actually see ultraviolet patterns on it that guide them to flowers, making the whitish powder a sophisticated navigation system!
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