ax·​i·​con ˈak-sə-ˌkän How to pronounce axicon (audio)
plural axicons
: an object resembling an optical lens with a conical surface that has no definite focal point
On a trip to Russia, Milchberg discovered that scientists there were using an odd, funnel-shaped "axicon" lens that brought laser beams into an elongated, needle-like focus instead of the sharp point that conventional lenses produce.Curt Suplee, Washington Post, 11 Sept. 1995

Word History


axi- + icon

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of axicon was in 1954

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near axicon

Cite this Entry

“Axicon.” Dictionary, Merriam-Webster, Accessed 21 Feb. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!