common

ケイ/KEI/    ほたる/hotaru/KEI/ケイ/    hotaru/ほたる/

lightning-bug;  firefly

Radical: (insect).   Strokes: 11画.   Elements: ⺌虫冖.   Variants: .   Pinyin: yíng.   Hangul:  [hyeong].

Jōyō Kanji High School.   JLPT N1.

Example compounds:
ケイKEIけいこうkeikō】fluorescence
光灯けいこうとうkeikōtō】fluorescent lamp; person who is slow to react
光塗料けいこうとりょうkeikōtoryō】fluorescent paint
ほたるhotaruほたるhotaru】firefly (Luciola cruciata); lightning bug; glowworm
狩りほたるがりhotarugari】firefly catching
ほたるいしhotaruishi】fluorite; fluorspar
Codepoints and classification codes:
86cdUnicode
23-54JIS X 0208
2-5-6SKIP
3n8.2TKD
3213.6Four Corner
Dictionary indices:
5302The New Nelson Character Dictionary by A. Nelson
2591New Japanese-English Character Dictionary by J. Halpern
1658Kanji Learner's Dictionary by J. Halpern
518Remembering the Kanji by J. Heisig
1925A New Dictionary of Kanji Usage (Gakken)
32983Daikanwajiten 「大漢和辞典」 by T. Morohashi vol. 10 p. 23
1200A Guide to Remembering Japanese Characters by K.G. Henshall
1878Kanji & Kana by Spahn and Hadamitzky
1717Kanji Flashcards by M. Hodges and T. Okazaki
1482Tuttle Kanji Cards by A. Kask
1676Kanji in Context by Nishiguchi and Kono
1607Kodansha Compact Kanji Guide
524Y. Maniette's French adaptation of Heisig