光陰

こういん

time, Father Time

光陰極

こういんきょく

photocathode

陰と陽

いんとよう かげとひ

the positive and the negative

(弧と弦の間の)矢

(ことげんのあいだの)や

sagitta

矢の根

やのね

arrow-head, arrowhead

二の矢

にのや

second arrow, second string to one's bow

矢切の渡し

やぎりのわたし

Yagiri No Watashi (ferry that has been taking passengers across the Edo river for nearly 400 years)

陰陰

いんいん

forlorn, dark and desolate

通し矢

とおしや

long-range archery

光と影

ひかりとかげ

rise and fall; ups and downs; shame and glory; bright side and dark side; light and shadow

矢

や さ

arrow

例のごとく

れいのごとく

as always; as usual

冷陰極蛍光管

れいいんきょくけいこうかん

Cold cathode fluorescent lamp

日ごと夜ごと

ひごとよごと

every day and every night; day after day; daily

鬼の矢幹

おにのやがら オニノヤガラ

Gastrodia elata (species of saprophytic orchid)

矢の催促

やのさいそく

strongly and repeatedly urging (demanding, requesting, pressing)

陰乾し

かげぼし

drying in the shade

陰

かげ ほと いん

yin (i.e. the negative)

陰陽の理

おんみょうのり いんようのり

principle of duality