periscope level
noun
= periscope depth.
Origin
1960s.
- Roxberry russet
- Roxburgh
- Roxburghe
- Roxburghshire
- Roxbury
- Roxbury russet
- Roxy
- royal
- royal absolutism
- Royal Academician
- Royal Academy
- Royal Academy of Arts
- Royal Air Force
- royal albatross
- Royal Ann
- Royal Anne
- royal antelope
- royal arch
- royal assent
- Royal Ballet
- royal bay
- royal Bengal
- royal binding
- royal blue
- Royal Borough