dilate on/upon something phrasal verb formal ( see also ↑ dilate )
to speak or write a lot about something:
He dilated upon their heroism.
dilate on/upon something phrasal verb formal ( see also ↑ dilate )
to speak or write a lot about something:
He dilated upon their heroism.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012