a lens containing two or more elements that can be used individually or in combination to provide a variety of focal lengths.
Retro Words You’ll Probably Never Use AgainMost of these retronyms -- obsolete words and phrases -- are outdated technologies.
🔍- Left-pointing Magnifying Glass Emoji - Emoji by Dictionary.comRead more in this article about some frequently asked questions and fun facts related to our definitions.
- converter reactor,
- convertible bond,
- convertible debenture,
- convertible insurance,
- convertible preferred stock,
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019