| OP | become available |
|---|---|
| OP | talk freely and without inhibition |
| OP | cause to open or to become open |
| OP | become open |
| OP | open up an area or prepare a way |
| OP | start to operate or function or cause to start operating or functioning |
| OP | a weave in which warp threads never come together, leaving interstices in the fabric |
| OP | in the open air |
| OP | a public marketplace where food and merchandise is sold |
| OP | a public marketplace where food and merchandise is sold |
| OP | so obvious as to be easily solved or decided |
| OP | glaucoma caused by blockage of the canal of Schlemm |