firewall
|fire-wall|
B2
🇺🇸
/ˈfaɪərˌwɔːl/
🇬🇧
/ˈfaɪəˌwɔːl/
barrier against threats
Etymology
Etymology Information
'firewall' originates from the combination of 'fire' and 'wall', where 'fire' refers to combustion and 'wall' refers to a barrier.
Historical Evolution
'firewall' was initially used in the context of building construction to describe a barrier against fire, and later adopted in computing to describe a security barrier.
Meaning Changes
Initially, it meant 'a barrier against fire', but over time it evolved to include 'a security system for networks'.
Meanings by Part of Speech
Noun 1
a barrier designed to prevent the spread of fire in a building.
The building's firewall prevented the fire from spreading to adjacent rooms.
Synonyms
Last updated: 2025/01/24 02:06