His boots were strong and, like his pants, resisted penetration.

The tough scales, like pale white armor, resisted penetration.

The earth was reluctant in this dry land, and fiercely resisted penetration.

Shields are permeable to the creator, but they still resist penetration.

Further, animals' skin resists penetration much more than the muscle tissue which gelatin simulates.

Results are reported as percent efficiency and correlate with the ability of the fabric to resist bacterial penetration.

The Stedingers were really resisting commercial penetration, expanding government, and a measure of urban centralization.

During the 1890s, the Aro resisted British penetration in the hinterland.

These hard layers often have platy structure and resist easy penetration by water or plant roots.

Some of the native population resisted French penetration and settlement.