いっさんかにちっそ

Japanese edit

For pronunciation and definitions of いっさんかにちっそ – see the following entry.
一酸化二窒素
[noun] Synonym of 亜酸化窒素 (asanka chisso, nitrous oxide); dinitrogen monoxide
(This term, いっさんかにちっそ, is the hiragana spelling of the above term.)