An opinion polling method in which responses are solicited at fixed intervals over time.

Derailed, of a railway carriage, etc. / Away from the proper subject; irrelevant, unrelated. / Not on right course; inaccurate.

(medicine, often attributive) A technique for intramuscular injection that uses a zigzag path.

(television) A soundtrack that is not synchronized with the visuals and may be inserted at any point, such as the background sounds of a city or jungle.

a dedicated track or path along which bicycles can be ridden

a dirt road

A trail left by a pair of skis, or one artificially created for the purpose of skiing on.

Alternative form of laugh track

A technique used by bicycle riders to remain virtually stationary by adjusting their weight

The continuous monitoring of the position and range of a remote object using radio