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.
There are a. lot of definitions of literature. Some short explanation on it would be useful for you. Very often. it simply means anything that is written: time tables, dialogues, textbooks, travel brochures and. so on. If you are thinking of buying a bicycle or a motorcycle or a washing machine, you will.