biological shield
noun
A shield used for protection against radiation, especially one covering a nuclear reactor or cyclotron.
Origin
1940s; earliest use found in U.S. Patents.
- nightglow
- nightgown
- nightgowned
- night-hag
- nighthawk
- night-herd
- night-herder
- night-herding
- night heron
- night horse
- night house
- nightie
- nightie-night
- nightie-nightie
- nightingale
- nightingale floor
- Nightingale, Florence
- Nightingale ward
- nightish
- nightjar
- night jasmine
- Night Journey
- night lamp
- night lark
- nightless