Translation guide
In Japanese, 'watercolor painting' can refer to the art medium, the artwork itself, or the act of painting. The most common term is 水彩画 (suisaiga), but other expressions exist for specific contexts.
watercolor painting (artwork)
watercolor (medium)
Referring to a painting done with watercolors, or the medium in general.
The standard term for a watercolor painting or the watercolor medium. Used in art contexts.
She painted a beautiful watercolor painting.
Watercolor paintings are exhibited at this exhibition.
Short for 水彩画, often used in compound words or when referring to the medium itself.
Describing the action or process of creating a watercolor painting.
Referring to watercolor as a painting technique, often in contrast to other media.
Watercolor technique. Used in instructional or technical contexts.
This book explains watercolor techniques in detail.
水彩画 (suisaiga) refers to the painting itself, while 水彩 (suisai) often refers to the medium or technique. In casual speech, 水彩 can also mean a watercolor painting, but 水彩画 is more precise.
水彩で風景を描くのが好きです。
I like painting landscapes in watercolor.
Specifically refers to watercolor paints (the material), not the painting itself.
I bought new watercolor paints.
He is good at painting watercolor paintings.