grain

/ɡʁɛ̃/
1.
nounmasculineSing

seed; kernel (cereal, coffee bean)

small hard particle or granule (sand, salt)

small spot on the skin (mole)

J'achète toujours mon café en grain pour avoir plus d'arôme.

I always buy my coffee beans whole to get more aroma.

Synonyms:granule, graine
2.
nounmasculineSing

texture or pattern of a material (wood grain, skin texture)

film/photographic grain; visible granularity in an image

Le grain du bois est très marqué sur cette table.

The wood grain is very pronounced on this table.

Synonyms:granularité, veinure, texture
3.
nounmasculineSing

a touch of craziness; a bit of eccentricity

Il est sympa mais il a un petit grain quand même.

He's nice, but he's got a bit of a screw loose.

Synonyms:folie, excentricité, bizarrerie