The story
From its approximately round shape, like the letter O.
Etymology from Wiktionary, CC BY-SA 4.0.
O clip
Today it means: A kind of crimped hose clip over a barbed spigot, used with gas hoses in oxyfuel welding and cutting. Full definition →
Today it means: A kind of crimped hose clip over a barbed spigot, used with gas hoses in oxyfuel welding and cutting. Full definition →
From its approximately round shape, like the letter O.
Etymology from Wiktionary, CC BY-SA 4.0.