any amphetamine drug used as a stimulant, especially illegally, especially methamphetamine
If you are up to speed, you have all the most recent information that you need about something. A day has been set aside to bring all councillors up to speed on the proposal Those in charge deluded themselves they were up to speed
changing location rapidly a rate (usually rapid) at which something happens; "the project advanced with gratifying speed" distance travelled per unit time travel at an excessive or illegal velocity; "I got a ticket for speeding
Normally measured in surface feet per minute (sfpm) or surface meters per minute (smpm) - is the tangential velocity of the saw tooth
The rate of motion of a skater over the ice; i e , the distance traveled per unit time
The speed at which information is read out of a pattern row by row For finer adjustments, tempo is used Normal speeds range from 3 to 8 This is the amount of frames that the player holds each row for before going on to the next
The distance traveled by an object divided by the time required to cover the distance
The rate f change in the phase of a constituent, usually expressed in degrees per hour The speed is equal to 360° divided by the constituent period expressed in hours
If you speed somewhere, you move or travel there quickly, usually in a vehicle. Trains will speed through the Channel Tunnel at 186mph The engine noise rises only slightly as I speed along. = race