Keyword
marrow
Info
FrequencyTop 2100-2200
Type
Jōyō 
?
Shinjitai ?
KankenLevel 3
Heisig1385
Old form髓
Readings
ずい
(99%)
Composed of
bone
be in possession
walking on a road
Used in vocabulary (95 in total)
brain; encephalon
spinal cord
to the core; to the bone; (lit.) to the marrow
Examples (5 in total)
He is Japanese to the bone.
He is rotten to the core.
This, in essence, is the secret of science.