follow Dictionary.com

7 Essential Words of Fall

security system

any of various means or devices designed to guard persons and property against a broad range of hazards, including crime, fire, accidents, espionage, sabotage, subversion, and attack

Learn more about security system with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Word Value for security

13
14
Scrabble Words With Friends