Meaning of “expand on/upon something” in the English Dictionary


"expand on/upon something" in American English

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expand on/upon something

phrasal verb with expand us /ɪkˈspænd/ verb [ I/T ]

to give more details about something said or written:

He studied with Sigmund Freud and expanded upon many of his theories.

(Definition of “expand on/upon something” from the Cambridge Academic Content Dictionary © Cambridge University Press)