Downness

Each of the flavors has a corresponding property, so that the down quark carries "downness," although upness and downness are rarely mentioned,

The down and antidown quarks on the left have a total downness of zero, which is preserved on the right.

To some degree this feature determines the profiles themselves: upness in B and downness in A, but the downness of C, more than a downness of relaxation, is a downness of being held down.

Walking down in the mornings, up in the afternoons, which, with the weight of the tomes, is the fundamental issue— downness, upness, when it should of course be upness, downness, the fall and the rise hardly ever to be spoken of at all, always the rise and fall of things, almost any sort of thing having its rise and then its fall, the rise necessarily preceding the fall […]

Whether he had any word for “down” is irrelevant, for the immediate sensation of “downness” in the body sufficed, and was already familiar.

We now have two different views (at right angles to each other) of the heart's electrical activity, and can give a precise description of the cardiac axis using the positiveness of these two for its leftness and downness.

If children are taught to listen to certain definite sounds (whisles, birds, singing, etc.) they will soon observe something as to the "upness" and "downness" of tones;

The upness and downness of vowel sounds affect us physically in different ways .