1. operating expense the expense of maintaining property
  2. bathing costume tight fitting garment worn for swimming
  3. bursting explosive a high explosive that is used to damage the target that is under attack
  4. isotonic exercise exercise in which opposing muscles contract and there is controlled movement (tension is constant while the lengths of the muscles change)
  5. planning commission a commission delegated to propose plans for future activities and developments
  6. disrupting explosive a high explosive that is used to damage the target that is under attack
  7. excessive beyond normal limits
  8. indecisive characterized by lack of firmness in purpose or belief
  9. optic axis in a doubly refracting crystal, the line in the direction of which no double refraction occurs
  10. batting glove a glove worn by batters in baseball to give a firmer grip on the bat
  11. opening move the first of a series of actions
  12. operating cost the expense of maintaining property
  13. pruning knife a knife with a curved or hooked blade
  14. learning curve a graph showing the rate of learning
  15. obsessive characterized by an unhealthy and compulsive preoccupation
  16. transgressive in violation of rules, laws, or conventions
  17. aggressive characteristic of an enemy or one eager to fight
  18. leading question a question phrased in such a way as to suggest the desired answer; a lawyer may ask leading questions on cross-examination
  19. incisive demonstrating ability to recognize or draw fine distinctions
  20. obtrusive sticking out; protruding