English
superdiagonal
From super- + diagonal.
Today it means
noun The diagonal of a matrix that lies directly above and to the right of the main diagonal.
Language periods are conventional ranges, not dates for this word.
Etymograph / superdiagonal
English
From super- + diagonal.
noun The diagonal of a matrix that lies directly above and to the right of the main diagonal.
Language periods are conventional ranges, not dates for this word.
Etymograph / superdiagonal