(for as a faint sound is inaudible, so in a sense is a loud or violent sound; and as one thing is called invisible absolutely (as in other cases of impossibility), another if it is adapted by nature to have the property but has not it or has it only in a very low degree, as when we say that something is footless or stoneless so too taste has as its object both what can be tasted and the tasteless the latter in the sense of what has little flavour or a bad flavour or one destructive of taste.