As the convoy entered the pass, we opened up on them with everything we had.
If something opens up opportunities or possibilities, or if they open up, they are created. It was also felt that the collapse of the system opened up new possibilities New opportunities are opening up for investors who want a more direct stake in overseas companies
If a place, economy, or area of interest opens up, or if someone opens it up, more people can go there or become involved in it. As the market opens up, I think people are going to be able to spend more money on consumer goods He said he wanted to see how Albania was opening up to the world These programmes will open up markets for farmers
Increase aperture size or reduce shutter speed to permit more light to reach the film
When you open up a building, you unlock and open the door so that people can get in. Three armed men were waiting when the postmaster and his wife arrived to open up the shop
If someone opens up, they start to say exactly what they think or feel. Lorna found that people were willing to open up to her
Used in the context of general equities Disclose more information (e g , the exact price and quantity) of one's potential interest See: put pants on it
start to operate or function or cause to start operating or functioning; "open a business"
If you open up a lead in a race or competition, you get yourself into a position where you are leading, usually by quite a long way. The Chinese team had opened up a lead of more than two minutes
Used in the context of general equities Disclose more information (e g , the exact price and quantity of one's potential interest) See: Put pants on it