Keyword
acid
Info
FrequencyTop 1500-1600
Type
Kyōiku (5th grade) 
?
KankenLevel 6
Heisig1545
Readings
さん
(75%)
(16%)
(8%)
Composed of
sign of the bird
license to go
Used in vocabulary (704 in total)
oxygen (O)
sweet and sour; bittersweet
sourness; acidity
Examples (63 in total)
Without oxygen, all animals would have disappeared long ago.
He died from lack of oxygen.
We can't live without oxygen.