Ramsden disc
(US Ramsden disk) Optics
noun
= Ramsden circle.
Origin
Early 20th century.
- out-of-body experience
- out of bounds
- out of breath
- out of commission
- out of context
- out of control
- out of countenance
- out of court
- out-of-court settlement
- out of danger
- out of date
- out-of-dateness
- out-of-doorness
- out-of-door relief
- out of doors
- out-of-fashion
- out-of-fashioned
- outoffice
- out of gear
- out of hand
- out of harm's way
- out of hours
- out of humour
- out of it
- out of joint