noun
Meaning 1
A line drawn marking an angle of 45 degrees, especially in the use of aligning the depth lines between the top and side views of a third angle projection technical drawing.
Definition source: English Wiktionary via Wiktextract
Topics: engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided