6 words in this vocabulary list
noun heavy material, such as gravel or sand, used to make a ship more stable or to control the draft of a vessel
verb to provide a ship with ballast
noun a hinged barrier used to close an opening in a wall, fence, or hedge
verb to cover or encase with a protective covering
adjective enclosed in a protective covering
noun a sudden upsetting or surprising event or experience
verb to cause someone to feel surprised or upset
verb the action of covering an object with a thin layer of silver
adjective describing a type of metal object that has been coated with a thin layer of silver
adjective relating to the conversion of acoustic signals into electrical signals or vice versa