変色

1. Origins, structure, and basic meaning

• Structure: The spelling is 変色, read へんしょく, and it combines 変, meaning change, with 色, meaning color.
• Basic usage: The basic sense of 変色 is discoloration: a change from an object's original color caused by light, air, heat, or another influence.

2. Common pitfalls and similar expressions

• A color change described as result or process
  • The forms are 変色した and 変色. The first states the resulting change in a cloth, while the second treats color change on cut fruit as a process to prevent.
• Sun-discolored cloth and protection of cut fruit
  • 白い布が日光で少し変色した。 — The white cloth became slightly discolored in the sunlight.
  • 果物の切り口の変色を防ぐ方法を試した。 — We tested ways to prevent the cut surface of fruit from turning brown.