An observable fact or event that is strange, mysterious, or amazing. Generally, but not always, used to describe something impressive and out of the ordinary.
The viewers reported the phenomenon of an unknown spacecraft flying over the hill, but managed to get no photos.
The young children were awed by the phenomenon of the magnets pushing away at each other.
It was quite a strange phenomenon to see Brad get a B on his paper.
Something gathering or condensing together into one space.
The agglomeration of a snowball rolling down a hill.
The small town slowly agglomerated into a bustling city.
The raindrops on the window agglomerated into streams that flowed to the base.