What does mod mean?

Noun (short for noun)? Modern schools; Modernist

Adjective? Modernism; Trendy; Very fashionable

Abbreviation? Modern (equal to modern); Modification (equal to moderate); Modulus, absolute value (equal to modulus)

Mod, a noun, is the abbreviation of modernist, and also refers to metal organic resources, brand of chassis, a game format, a music format, a game program, a platform service, a mathematical symbol and a hotel term.

Example:

Ministry of Defence investigates pollution of former chemical weapons factory.

The British Ministry of Defence investigated the pollution of the former chemical weapons factory.

As long as the commitment exceeds the resources, even Dr. Fox's new model will be difficult for the Department of Defense to cope with.

As long as the commitment exceeds the resource limit, even Secretary Fox's new Department of Defense will be difficult to cope with.