Gnotobiology allows a more exact exploration of ecology by separating macrobes from microbes and providing an experimental base for qualitative and quantitative understanding of the interaction of microbes in and with the host.

When a rock band began to unhouse its instruments on a riser beneath the bell tower, […]

The word “dog” is a hyponym of “animal” because dogs are a type of animal.

[…] he found Mr. Poulter, with a fixed and earnest eye, wasting the perfections of his sword-exercise on probably observant but inappreciative rats.