Keyword
nucleus
Info
FrequencyTop 1600-1700
Type
Jōyō 
?
KankenLevel Pre-2
Heisig1638
Readings
かく
(99%)
Composed of
tree
sign of the boar
Used in vocabulary (211 in total)
stone (of a fruit); pit; core (of an organization, team, etc.); nucleus; nuclear weapons; nucleus (of an atom); nucleus (of a cell)
core; heart (of the matter); point; crux; kernel
kernel; core; nucleus; center; centre
Examples (38 in total)
No country on earth is safe in this nuclear age.
It is dreadful that a nuclear crisis has hit Japan.
There's a strong probability of a nuclear tragedy.