b horizon(n = noun.location) b-horizon - immediately below the A-horizon; contains deposits of organic matter leached from surface soils; Array
is a kind of soil horizon

a b c, a horizon, amphotericin b, apparent horizon, artificial horizon, b, b battery, b cell, b complex, b lymphocyte, b vitamin, c horizon, celestial horizon, chlorophyll b, event horizon, geological horizon, group b, gyro horizon, haemophilia b, hemophilia b, hepatitis b, horizon, letter b, linear b, r and b, riley b king, sensible horizon, soil horizon, staphylococcal enterotoxin b, susan b anthony dollar, type b, visible horizon, vitamin b, vitamin b complex