太陽光

• Reading: たいようこう
• Romaji: taiyoukou
• Kanji breakdown: 太 (tai) — great, thick; 陽 (you) — sun, positive; 光 (kou) — light, radiance
• Pronunciation: /tai.joː.koː/

Meaning

Sunlight; solar light. The light emitted by the sun.

A noun frequently used in discussions about renewable energy, weather, and health. In modern Japanese, 太陽光 often appears in the context of solar energy technology. Common compounds include 太陽光発電 (solar power generation) and 太陽光パネル (solar panel).

Examples

1. 屋根に太陽光パネルを取り付けた。 We installed solar panels on the roof.
2. 太陽光を利用した発電が増えている。 Power generation using sunlight is increasing.
3. 太陽光には肌に悪い紫外線も含まれている。 Sunlight also contains ultraviolet rays that are harmful to the skin.

Usage Guide

Context: energy, environment, science

Tone: neutral

Origin & History

Composed of 太陽 (sun, from 太 meaning great and 陽 meaning sun/positive) and 光 (light, radiance). Together they literally mean the light of the sun.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal