See also: けいかん

Japanese edit

For pronunciation and definitions of けいがん – see the following entries.
珪岩
[noun] quartzite
炯眼
[adjective] perceptive, insightful
[noun] perceptivity, insightfulness
慧眼
[adjective] discerning
[noun] discerningness, acumen
鶏眼
[noun] corn (type of callus)
(This term, けいがん, is the hiragana spelling of the above terms.)