a datum about some physical state that is presented to a user by a meter or similar instrument | the act of smoking tobacco or other substances |
something that serves to indicate or suggest | (baseball) a pitch thrown with maximum velocity |
the act of indicating or pointing out by name | tobacco leaves that have been made into a cylinder |
(medicine) a reason to prescribe a drug or perform a procedure | street names for marijuana |
something (as a course of action) that is indicated as expedient or necessary | something with no concrete substance |
| an indication of some hidden activity |
| a cloud of fine particles suspended in a gas |
| a hot vapor containing fine particles of carbon being produced by combustion |