[open up] {v.}
1. To show for the first time; make clear; reveal.
* /The story of Helen Keller's life opened up a whole new world to Mary./* /Einstein's theories opened up a whole new area for study./
2. To make available; present an opportunity; offer.
* /The building of the railroad opened up new lands to the pioneers./* /John opened up a whole new section of the Scrabble board./
3. {informal} To go faster.
* /When they got out on the highway John opened up and drove at 65 miles per hour./
4. {informal} To begin to shoot.
* /When they got close to the enemy lines, they opened up with all they had./
5. {informal} To begin to talk frankly.
* /After John learned to trust Mr. Jones, he opened up and told him how he felt./
6. To spread out.
* /After a while the road opened up and they traveled more quickly./
7. To become available.
* /When she got her college diploma, many new jobs opened up./
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