The symmetry that a figure has if it can be made to fit exactly onto the original when it is translated a given distance at a given direction and then reflected over a line. As in translational symmetry, glide-reflectional symmetry exists only for infinite patterns.
literature noun [U] (WRITING). B1 written âartistic âworks, âespecially those with a high and âlasting âartistic âvalue: âclassical/âmodern literature Wuthering Heights is a âclassic of âEnglish literature. More examples. 1  He's very â knowledgeable about â German literature.
Definition of literature for English Language Learners. : 1  written works (such as poems, plays, and novels) that are considered to be very good and to have lasting importance. : 2  books, articles, etc., about a particular subject. : 3  printed materials (such as booklets, leaflets, and brochures) that provide information about something.