Learner's definition of EXPOSE
to leave (something) without covering or protection
— often + to
to cause (someone) to experience something or to be influenced or affected by something
— + to
He wants to expose his students to great works of literature.
The workers were exposed to dangerous chemicals. [=they were placed in conditions that left them unprotected from dangerous chemicals]
She hasn't yet been exposed to measles.
Children are being exposed to violence on television.
His mistakes have exposed him to ridicule. [=he has been ridiculed because of his mistakes]
to reveal (something hidden, dishonest, etc.)
to reveal the crimes or faults of (someone)
— often + as
to let light fall on (film in a camera) in order to create a photograph
compare overexpose, underexpose
to show your sexual organs in public