Wiktionary
gives off
vb. (en-third-person singulargive off)
Usage examples of "gives off".
When powdered or else heated in air, it gives off osmium tetroxide, which is not only toxic but unendurably smelly as well.
I revise that assessment as I note its dimensions and the heat signature it gives off, which suggest a toy rather than a functional weapon.
True strangeness is the product of genius, but a good substitute is the strangeness inherent in every writer's unique voice, so that when a science fiction writer is both competent and new, he gives off the luster of an ersatz kind of genius, and the field welcomes him with open arms.