polyzonal lens
now historical
noun
= Fresnel lens.
Origin
Early 19th century.
- Green Thursday
- green time
- green toad
- green tree ant
- green turtle
- green-veined
- green-veined butterfly
- green-veined orchid
- green-veined white
- Greenville
- green vitriol
- greenware
- greenwash
- greenwashing
- green water
- green wax
- greenway
- green weenie
- Greenwell
- Greenwell's glory
- green welly brigade
- green whey
- Greenwich
- Greenwich Mean Time
- Greenwich meridian