(informal, Canada, US) The Canada-United States border; the 49th parallel north: a circle of latitude that is 49° north of Earth's equator.

plural of line doubler

A device or algorithm used to deinterlace video signals prior to display on a progressive scan display, typically by repeating scan lines so that the lines in a field match the lines of a frame.

Third-person singular simple present indicative form of line-dry

present participle of line-dry

simple past tense and past participle of line-dry

an occupation

Alternative form of Fraunhofer line

(linguistics) In German dialectology, an isogloss separating the Central German dialects to the north (which have a stop in words like Appel (“apple”)) from the Upper German dialects to the south (which have an affricate).

(rail transport) A secondary route which leaves a mainline, following a different route to the main line, before rejoining it several miles further on.