The phrasal verb “look up” consists of the verb “look” and the adverbial 'particle' “up.”
There is 'not a particle of' evidence to support their claim.
There is 'not a particle of' truth in what he said.
(..) Can you believe there was a time when we would have needed an array of giant Cherenkov telescopes to detect cosmic particles? And here we are building our own multi-wire detector like a couple of badasses. I know. If we were still single, we'd be tripping (..)2014 TvShow: The Big Bang Theory Title: The Clean Room Infiltration Season: 8 Episode 11