\ˈɒptɪkə͡l], \ˈɒptɪkəl], \ˈɒ_p_t_ɪ_k_əl]\
Definitions of OPTICAL
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary
- 1919 - The Winston Simplified Dictionary
- 1899 - The american dictionary of the english language.
- 1919 - The Concise Standard Dictionary of the English Language
- 1914 - Nuttall's Standard dictionary of the English language
- 1874 - Etymological and pronouncing dictionary of the English language
- 1898 - American pocket medical dictionary
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By Princeton University
By DataStellar Co., Ltd
By Oddity Software
By Noah Webster.
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By James Champlin Fernald
Relating or pertaining to vision, or to optics. Optic nerves, the second pair of nerves arising from the thalami nervorum, and perforating the bulb of the eye. Optical delusions, erroneous impressions sometimes conveyed through the organs of vision to the mind. Optic lens, a ground glass for a telescope or other optical instrument.
By Nuttall, P.Austin.
By Stormonth, James, Phelp, P. H.