pancake lens
noun
1 Physics an electron lens of flat, circular form ( rare ).
2 Photography a thin flat primary lens for a camera.
Origin
1960s.
- transillumination
- transire
- transistor
- transistorise
- transistorization
- transistorize
- transistor radio
- transit
- transit camp
- transit circle
- transit instrument
- transition
- transitional
- transitionally
- transitionary
- transition curve
- transition element
- transition metal
- transition point
- transition probability
- transition series
- transition temperature
- transitive
- transitively
- transitiveness