Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
read up on (someone or something)
Meaning:
to research and read about someone or something
Example:
I have been reading up on Egyptian history before our trip to Egypt this summer.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.