• 蛍ほたる

  firefly (Luciola cruciata), lightning bug, glowworm

• 蛍光灯けいこうとう

  fluorescent lamp, fluorescent light

• 蛍光けいこう

  fluorescence

• 蛍草ほたるぐさ

  dayflower

• 蛍石ほたるいし

  fluorite, fluorspar

• 蛍袋ほたるぶくろ

  bellflower

• 蛍藺ほたるい

  Scirpus hotarui (species of bulrush)

• 蛍蛾ホタルガ

  Pidorus glaucopis (species of moth)

• 蛍火ほたるび

  glow of a firefly

• 蛍雪けいせつ

  diligence in studying (e.g. continuing to study even in such poor light as offered by a firefly or that reflected by snow), diligent study

• 海蛍うみほたる

  sea firefly (Vargula hilgendorfii), seed shrimp

• 流蛍りゅうけい

  flying firefly

• 姫蛍ひめぼたる

  Hotaria parvula (species of firefly)

• 蛍光管けいこうかん

  fluorescent tube

• 蛍光板けいこうばん

  fluorescent screen

• 蛍狩りほたるがり

  firefly watching

• 蛍の光ほたるのひかり

  Auld Lang Syne

• 蛍光体けいこうたい

  fluorescent substance

• 蛍光色けいこうしょく

  fluorescent color, fluorescent colour

• 蛍烏賊ほたるいか

  firefly squid (Watasenia scintillans), sparkling enope squid

• 蛍光ペンけいこうペン

  highlighter (pen)

• 蛍光塗料けいこうとりょう

  fluorescent paint

• 蛍光染料けいこうせんりょう

  fluorescent dye

• 蛍雪の功けいせつのこう

  the fruit of diligent study

• 蛍光色素けいこうしきそ

  fluorescent dye, fluorescent pigment, fluorochrome

• 蛍光物質けいこうぶっしつ

  fluorescent substance, phosphor

• 蛍光インキけいこうインキ

  fluorescent ink

• 蛍光顕微鏡けいこうけんびきょう

  fluorescence microscope

• 蛍光増白剤けいこうぞうはくざい

  fluorescent whitening agent, fluorescent brightener, fluorescent bleach

• 真空蛍光管しんくうけいこうかん

  vacuum fluorescent tube

• 緑色蛍光タンパク質りょくしょくけいこうタンパクしつ

  green fluorescent protein, GFP

• 鳴く蝉よりも鳴かぬ蛍が身を焦がすなくせみよりもなかぬほたるがみをこがす

  empty vessels make the most noise, the silent firefly burns with more passion than the crying cicada