air knife
noun
A jet of air used like a blunt blade especially to wipe or dry a surface; a device incorporating such a jet.
Origin
1930s.
- God (or goodness or heaven) knows
- God (or Heaven) forbid
- go down
- godown
- go down a bomb
- go down a storm
- go down in history
- go down on
- go down (or drop or fall) like ninepins
- go down (or over) like a lead balloon
- go down the drain
- go down the gurgler
- go down the pan
- go down the plughole
- go down the toilet
- go down the tube (or tubes)
- go down the wrong way
- go down with
- godpapa
- godparent
- God particle
- Godpenny
- godpoppa
- God's acre
- God's ape