simple past tense and past participle of close the range

present participle of close the range

(military) To move oneself or one's vehicle(s) (warships, tanks, aircraft, etc.) closer to the enemy in order to allow them to fire on the enemy, either more effectively or at all.

(Internet slang, humorous) Denotes the end of a rant.

Synonym of /rant (“denotes the end of a rant”)

(mathematics, linear algebra, of a matrix) Not having full rank; having a rank (dimension) less than the number of columns and the number of rows.

(mathematics, linear algebra, of a matrix) Having the highest possible rank for its size; having a rank (dimension) equal to the the number of columns or the number of rows.