expose or make accessible to some action or influence
"Expose your students to art"
"expose the blanket to sunshine"
make known to the public information that was previously known only to a few people or that was meant to be kept a secret
"The auction house would not disclose the price at which the van Gogh had sold"
"The actress won't reveal how old she is"
"bring out the truth"
"he broke the news to her"
"unwrap the evidence in the murder case"
"The newspaper uncovered the President's illegal dealings"
expose to light, of photographic film
"The photographer carefully placed the unprocessed film on a stand to expose it to bright sunlight before developing it."
abandon by leaving out in the open air
"The infant was exposed by the teenage mother"
"After Christmas, many pets get abandoned"
To reveal, uncover, make visible, bring to light, introduce to.
"The investigation exposed corruption within the company by bringing hidden financial irregularities to light."
In plain English: To expose means to show something that was hidden before so everyone can see it clearly.
"The news report exposed corruption within the local government."
Usage: Use expose when revealing hidden information or making something previously concealed visible to the public. Avoid confusing it with exhibit, which implies showing an item for display rather than unveiling a secret.
The word "expose" comes from the Old French exposer, meaning "to lay open," which was borrowed from the Latin expōnō. Its original sense of setting something forth evolved into our modern usage.