光润

光潤
guāngrùn
  1. glossy
  2. lustrous
  3. sleek

CEDICT

  1. (of skin, etc.) smooth and moist
  2. smooth and moist

Wiktionary

光滑润泽。《史记．卷二八．封禅书》：「光润龙变，承休无疆。」《文选．曹植．洛神赋》：「转眄流精，光润玉颜。」也作「光滑」。

重編國語辭典

Entry Composition

1 光 guāng
  1. bright; shiny
  2. only; merely
  3. used up; finished
  4. to leave (a part of the body) uncovered

classifier: 道
2 润 rùn
  1. moist; glossy; sleek
  2. to moisten; to lubricate
  3. to embellish; to enhance
  4. profit; remuneration
  5. (neologism c. 2021) (slang) (loanword from "run") to emigrate (in order to flee adverse conditions)

Related entries

油亮 yóuliàng
  1. glossy
  2. shiny
油光 yóuguāng
  1. glossy
  2. gleaming
  3. shiny (due to greasiness)
  4. slick
  5. greasy
  6. oily
油光光 yóuguāngguāng
  1. glossy
  2. gleaming
  3. shiny (due to greasiness)
  4. slick
  5. greasy
  6. oily
紑 fóu
  1. bright
  2. glossy (of silk)
滑溜溜 huáliūliū
  1. smooth
  2. slick
  3. slippery
  4. glossy
那條蛇滑溜溜的，一下子就從他的手中掉了出來。

The slippery snake slithered right out of his hand.

Source: Tatoeba

油光可鉴 yóuguāngkějiàn
  1. lit. oily and shiny to the point of reflecting (idiom)
  2. lustrous
晶晶 jīngjīng
  1. glistening
  2. gleaming
  3. lustrous
灿 càn
  1. glorious
  2. bright
  3. brilliant
  4. lustrous
  5. resplendent
油光水滑 yóuguāngshuǐhuá
  1. sleek
  2. shiny and smooth
流线型 liúxiànxíng
  1. sleek
  2. streamlined
润滑 rùnhuá
  1. smooth
  2. oily
  3. sleek
  4. to lubricate
润滑系统设计得不好。

The lubrication system was poorly designed.

Source: Tatoeba