葉緑素(ようりょくそ)

ようりょくそ
noun
chlorophyll
1. chlorophyll; the green pigment in plants that enables photosynthesis
The green pigment found in the leaves and stems of plants that absorbs sunlight and plays a central role in photosynthesis. It is what gives most plants their green color.
葉緑素(ようりょくそ)は植物(しょくぶつ)を緑(みどり)にする。
Chlorophyll makes plants green.
光合成(こうごうせい)には葉緑素(ようりょくそ)が必要(ひつよう)だ。
Chlorophyll is needed for photosynthesis.
秋(あき)になると葉緑素(ようりょくそ)が分解(ぶんかい)されて葉(は)が赤(あか)くなる。
In autumn, chlorophyll breaks down and the leaves turn red.

Composed of 葉(よう) (leaf), 緑(りょく) (green), and 素(そ) (element, substance). The Japanese term literally means "leaf-green substance." This is the standard Japanese word for chlorophyll, the pigment responsible for photosynthesis in plants.

COMMON COLLOCATIONS:

  • 葉緑素(ようりょくそ)が多(おお)い: to be rich in chlorophyll
  • 葉緑素(ようりょくそ)の量(りょう): amount of chlorophyll
  • 葉緑素(ようりょくそ)が分解(ぶんかい)される: chlorophyll is broken down

RELATED TERMS:

  • 葉緑体(ようりょくたい): chloroplast — the cell organelle that contains chlorophyll
  • 光合成(こうごうせい): photosynthesis — the process that chlorophyll enables
  • クロロフィル: chlorophyll (loanword) — sometimes used in scientific or commercial contexts
general
Added 2026.4.7 5:27
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