noun Date: 1882 a more or less homogeneous matrix in which the specific differentiated elements of a system are suspended:, the intercellular substance of tissues, cytosol
GROUND SUBSTANCE
Meaning of GROUND SUBSTANCE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012