ENCASE

[verb] [T] - to cover or enclose completelyThe nuclear waste is encased in concrete before being sent for storage in disused mines.The tower, which dates from the 15th century, was encased in sandstone in the 1860s. [T] -ence (ACTION), -ance [suffix] - used to form nouns which refer to an action or series of actionsa campaign of violence (= violent actions)a great performance (= act of performing) -ence (STATE), -ance [suffix] - used to form nouns which describe a state or qualityher long absence (= period during which she was absent)