polyzonal lens
now historical
noun
= Fresnel lens.
Origin
Early 19th century.
- photogravurist
- photoheliograph
- photoheliographic
- photoheliography
- photoheterotroph
- photoheterotrophic
- photoheterotrophy
- biologism
- biologist
- biologistic
- biologize
- biologized
- biologizer
- biology
- bioluminescence
- bioluminescent
- biolysis
- biolytic
- biomacromolecule
- biomagnetic
- biomagnetism
- biomagnification
- biomagnify
- biomanipulation
- biomarker