What is "yeastless"

Usage examples of "yeastless".

But the halcyon hour was interrupted even before they reached the final course, which was hard, yeastless bread and some sort of rich butter.

Whereas the agnostic, if he stays true to his reasonable self, if he stays beholden to dry, yeastless factuality, might try to explain the warm light bathing him by saying, “Possibly a f-f-failing oxygenation of the b-b-brain,” and, to the very end, lack imagination and miss the better story.

Whereas the agnostic, if he stays true to his reasonable self, if he stays beholden to dry, yeastless factuality, might try to explain the warm light bathing him by saying, "Possibly a f-f-failing oxygenation of the b-b-brain," and, to the very end, lack imagination and miss the better story.