From Longman Dictionary of Contemporary Englishstarduststar‧dust /ˈstɑːdʌst $ ˈstɑːr-/ noun [uncountable] literaryRF an imaginary magic substance
Examples from the Corpus
stardust• She is almost infuriatingly together: smart, wise, funny and lit by that ephemeral glow of stardust.• Of course, nobody has gone that far into space and sampled stardust to come back with a bag full of diamonds.• She scattered stardust from her feet. 