Meanings of more definable in English

And behind the crackle and hiss, something more definable: a hum of potential.

They were more in the nature of successive grunts, not much more definable than the noises of animals.

And Vernier had taken it upon himself to balance out the equation; he had made everything clearer, more readable, more definable.

Her aromatic presence, and in this setting, continually disturbed him: nature's perfumes, more definable, -exhalationsof the sea and spruce,-mingledwith hers, anaesthetics compelling lethargy.