spin doublet

For example, a spin singlet is a trivial representation, a spin doublet is a fundamental representation and a spin triplet is a vector representation.

The prince fell into the Hedge, and the screaming began, and Rose bowed her head and prayed for them, the lost souls, the ones for whom she would never spin doublets or breeches or whispered smiles like the one on the woman with hacked-off hair asleep in her shared bed in the north chamber.