- He could still go to Australia. That was something he'd often toyed with but never done anything positive about.
- Be you positive about that?
- Can you be positive about what you hear?
- She was quite positive about the amount of money involved.
positive cam positive positive-displacement type fuel pump positive-negative ambivalent quotient positively definite variational problem positive sinoatrial chronotropic effect positive equilateral triangle structure positive-negative pressure respirator positively definite sequence of numbers positive charged organic photoconductor positive-displacement hydraulic drive positive-pressure pnenmatic transport