zi2 ngoi6 gwong1紫外光

Jyutpingzi2 ngoi6 gwong1
Yalejí ngoih gwōng
名詞

Definition

Ultraviolet light.

neutralhealthother

How it's used

紫外光 is the standard term used in Hong Kong for ultraviolet light, especially when discussing health, skincare, or technical equipment. While 紫外線 is also widely understood and used, 紫外光 is slightly more common in everyday speech when referring to the light source or radiation intensity. It is frequently paired with products like sunscreen or lamps.

Examples

The UV light is very strong here, remember to apply sunscreen.
Do you know that UV light can make your skin turn dark?

Grammar color guide

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