散光 (sǎn guāng) — to diffuse light (physically, e.g. of a lens or surface); to have astigmatism (medical condition of the eye)

Definition

Two senses: physically, light scatters after hitting a surface or passing through a lens; medically, a common eye condition (astigmatism) that usually requires glasses.

verb
to diffuse light (physically, e.g. of a lens or surface)to have astigmatism (medical condition of the eye)

Examples

  • 散光。
    Zhè zhǎn dēng de guāng xiàn jīng guò biǎo miàn chǔ lǐ huì sǎn guāng.
    The light from this lamp will diffuse after surface treatment.
  • 散光，。
    Wǒ péng you liǎng zhī yǎn jing dōu sǎn guāng, xū yào dài yǎn jìng.
    My friend has astigmatism in both eyes and needs to wear glasses.
  • ，。
    Zhè ge guāng xué yí qì sàn le yí cì guāng, rán hòu huī fù le zhèng cháng.
    This optical instrument diffused light once and then returned to normal.

Origin

Compound word
构词法gòucífǎ
动宾dòngbīnVerb + object

An action followed by what it acts on, fused into one word.

散sànscatter
光guānglight

散 scatters or diffuses, and 光 is light, so 散光 means to diffuse light.

Characters in this word

Two or more meaningful parts placed together so that their meanings combine into a new one.

  • 林林líntrees, forest
  • 攴攴pūto knock, to tap

散 combines 林 (trees or forest) and 攴 (to knock or tap), originally showing knocking to clear vegetation, later extended to breaking up or dispersing.

Open 散 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

  • 火火huǒfire
  • 卩卩jiékneeling person

The shape 光 places 火 (fire) above 卩 (a kneeling person), showing fire over the head and the shining of light.

Open 光 →

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