12-Letter Words Containing: _ILS

• A bundle of cellulose polymer chains held together by weak bonds.

• a fossil that must be studied microscopically

• a man's full-dress jacket with two long tapering tails at the back

• compensate for or counterbalance

• oppose and mitigate the effects of by contrary actions

• the part of a check that is retained as a record

• Any of a group of microscopic fibrils through the body of a neuron that extend into the axon and dendrites

• Of an aircraft: to go into a rapid, uncontrollable descent in a steep spiral.

• To go into a sharp, sustained, often uncontrollable descent or decline.

• the quality of requiring extended effort