Meanings

light middleweight

light heavyweight

light flyweight

class system

class party

senior (e.g. at school)

welterweight class

fancy restaurant

upper class

classism

class activities

county-level city (of China)

prefecture-level city (of China)

superior goods

inferior goods (i.e. goods for which demand decreases when consumer's income increases)

photographic magnitude

apparent magnitude

apparent magnitude

absolute magnitude

class A river