Meanings

thin-layer chromatography

Siebold's wild ginger (Asarum sieboldii)

thin layer

thin paper (esp. thin Japanese vellum paper)

blackish

light brown

faintly

extra-thin (paper, etc.)

Parnassius stubbendorfii (species of swallowtail)

thin-film interference

broad-footed mole (Scapanus latimanus)

faint smile

stupid person

half-open eyes

peppermint beverage

to fade

Chinese white dolphin (Sousa chinensis chinensis)

thinly painted

civil twilight

nautical twilight