a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time | the act of smoking tobacco or other substances |
something that serves to indicate or suggest | (baseball) a pitch thrown with maximum velocity |
| tobacco leaves that have been made into a cylinder |
| street names for marijuana |
| 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 |