Aldis lens
Optics (now chiefly historical )
noun
A kind of anastigmatic compound lens that is a doublet consisting of a front lens which is convex on one side and concave on the other and a back lens which is convex on both sides.
Origin
Early 20th century; earliest use found in Photogram.
- receptively
- receptiveness
- receptive spot
- receptivity
- receptor
- receptoral
- receptor-destroying enzyme
- receptory
- receptual
- receptually
- recercata
- recercely
- recercelée
- recertificate
- recertification
- recertify
- recess
- recession
- recessional
- recessional moraine
- recessionary
- recession buster
- extraneous
- extraneously
- extraneousness