Meaning of blackline | Babel Free

Definitions

1. A document indicating the differences between two versions of another document.
2. A line of deliberately burned material created to stop the advance of a larger fire.

Examples

“A second squad uses drip torches to begin burning a 15- to 20-foot barrier or “blackline” inside the wetline.”

“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.”

CEFR level