Deadbolt: meaning, definitions and examples

Etymology

• The term 'deadbolt' comes from the Old English word 'deade', meaning 'to be fixed or still', combined with 'bolt', referring to a locking mechanism.
• The 'dead' in deadbolt implies that it can't be moved unless it’s unlocked, highlighting the security feature.
• Historical texts from the 15th century in England reference similar locking mechanisms, indicating a long-standing use for security.

Security Science

• Deadbolts are considered one of the most secure types of locks because they can't be easily picked or forced open unlike standard doorknobs.
• Different types of deadbolts exist, including single-cylinder, double-cylinder, and lockable thumbturn, each providing varying levels of security.
• Home security experts recommend using a deadbolt in conjunction with a regular doorknob lock for optimal protection.

Pop Culture

• In many detective and crime movies, the presence of a deadbolt often signifies a high-stakes situation where security is crucial.
• Deadbolts are frequently depicted in horror films as characters struggle to escape or gain entry, enhancing tension and drama.
• Home improvement shows commonly showcase the installation of deadbolts as a key step in making a house more secure.

Historical Use

• Ancient Egypt had advanced locking mechanisms, paving the way for modern deadbolt design, relying on wooden bolts to secure entrances.
• In the 19th century, locksmiths began producing the first version of deadbolts, making homes safer amidst rising urban crime rates.
• The transition from manual deadbolts to key-operated ones marked a significant advancement in home security features in the early 20th century.

Safety Recommendations

• Experts suggest that deadbolts should be installed at least 40 inches above the ground to avoid easy access by potential intruders.
• Using a deadbolt with a longer throw (the distance that the bolt extends into the frame) can offer additional resistance against forced entry.
• Regular maintenance of deadbolts, such as lubrication and inspection, can ensure they remain effective over time.

Ranking #37,550, this word is encountered relatively rarely in everyday English. It might appear in literary works or specialized texts but isn't essential for general communication.

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