blackline
verbEtymology From black + line; compare redline, greenline.
1
To compare versions of (a document) by this method.
- Related terms
- blackline tilefish
blackline
nounEtymology From black + line; compare redline, greenline.
1
A document indicating the differences between two versions of another document.
2
Firefighting, Government A line of deliberately burned material created to stop the advance of a larger fire.
- A second squad uses drip torches to begin burning a 15- to 20-foot barrier or “blackline” inside the wetline.2011, Colorado Outdoors, volumes 49-50, page 11:
- The helicopter is used to burn blacklines when the relative humidity is above 50%, temperature is below 50 degrees F, and wind speed is less than 6 mph.1991, Rangeland Technology Equipment Council Annual Report, USDA Forest Service: