Designating a soil or soil horizon typically characterized by the presence of weathered volcanic glass and, when found at the surface, a high proportion of organic matter.
Origin
1960s. From and- + -ic.
Definition of andic in US English:
andic
adjectiveˈandɪk
Designating a soil or soil horizon typically characterized by the presence of weathered volcanic glass and, when found at the surface, a high proportion of organic matter.