thionic acid
noun Chemistry.
any of the five acids of sulfur of the type H2SnO6, where n is from two to six.
Origin of thionic acid
First recorded in 1875–80
Words nearby thionic acid
thiokol,
thiol,
thion-,
thionate,
thionic,
thionic acid,
thionine,
thionyl,
thionyl chloride,
thiopental sodium,
thiophen