fire ladder
noun
A portable ladder used for escape from or access to the upper floors of a burning building.
Origin
Mid 17th century; earliest use found in Henry Hexham (fl. 1601–1650), soldier and author.
- radium
- radium beam
- radium bomb
- radium burn
- radium clock
- radium dial
- radium emanation
- radium needle
- radium series
- radium therapy
- radius
- radius arm
- radius bar
- radius of action
- radius of curvature
- radius of gyration
- radius of torsion
- radius rod
- radius saw
- radius vector
- radix
- radix sort
- radix sorting
- radknight
- RADM