noun \är-ˈsō-nē-əm\

Definition of ARSONIUM

: a monovalent arsenic-containing radical AsH4 analogous to the ammonium radical NH4

Seen & Heard

What made you want to look up arsonium? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More