Incavation

For, the chief Difference betwixt a Fluid, and a Soft body, accepted in a Philosophical or præcise, not a Poetical or random sense, consisteth only in this; that the Fluid, when prest upon, doth yield to the body pressing, not by indentment or incavation of it superfice, i.e. the retrocession of its superficial particles, which are immediately urged by the depriment, toward its middle or profound ones, which are farther from it; but by rising upwards in round and equally on all sides, as much as it is deprest in the superfice;

Thus it was urged that since a glacier can be shown to have produced a number of mountain tarns, there is no reason why in sufficient time it should not accomplish the incavation of a lake or an inland sea, such as Lake Geneva, or Superior, or the Caspian.

A case or curb to be used to prevent incavation in sinking wells and boring into loose ground

In addition, may be mentioned a great variety of miscellaneous casualties, from incavations, burnings, crushings, shootings, cuttings, and particularly explosions, from which latter cause an enumeration of only 5 cases gives a list of killed and wounded, reaching nearly 2000.

If a court ( through the incavation of its walls) is laid open to public ground, whosoever brings anything from private ground into such a court, or from the court into private ground, is culpable.

This lip is in fact not a separate part of the pipe, but merely an incavation on the foot, having at its lower end the form of a tongue, as we see on fig. 1.-4

the two portions meet at a pretty sharp angle, or I might express the condition by saying that the incavation of the waist is greatly deepened, and this not merely at the side outline, for running inward from that angle towards the spine is a pretty considerable depression which lies in well marked shadow.

Inside a more or less narrow debouchement the incavation often widens to a cross-section which greatly exceeds that of the debouchement.