integumentation

from The Century Dictionary.

• noun The act of covering with integument; the covering itself.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act or process of covering with integuments; the state or manner of being thus covered.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act or process of covering with integuments; the state or manner of being thus covered.