ˈretsēən noun
( -s )
Etymology: Swedish, from Anders Jahan Retzius died 1821 Swedish botanist
: a mineral consisting of a basic arsenate of manganese, calcium, and the yttrium earths occurring in brown orthorhombic crystals
ˈretsēən noun
( -s )
Etymology: Swedish, from Anders Jahan Retzius died 1821 Swedish botanist
: a mineral consisting of a basic arsenate of manganese, calcium, and the yttrium earths occurring in brown orthorhombic crystals
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012