diǎn​diǎnDiǎn​diǎn

speck

点点 (點點) diǎn​diǎn frequency
speck descriptive
small spots, dots, or marks

There were several oil stains on his white shirt, which made them very noticeable.

bit numeral
a tiny amount or small fragments of something

The fireflies were shimmering in the grass, looking very beautiful.

点点 (點點) Diǎn​diǎn
Diandian noun
Diandian (Chinese microblogging and social networking website)

He shared many of his photography works on Diandian.

Frequency

Movie subtitles
3.73 per million appears in 2% of films

Sources

Definitions
CC-CEDICT
Frequency data
SUBTLEX-CH