- A colorless crystalline substance, C6H3.CH3.(OH)2, which is
obtained from certain lichens (Roccella, Lecanora, etc.), also from
extract of aloes, and artificially from certain derivatives of toluene.
It changes readily into orcein.
Reinforcing obstacles Reinforcing obstacles are those obstacles specifically constructed, emplaced, or detonated through military effort and designed to strengthen existing ...
General support-reinforcing General support-reinforcing refers to the artillery mission of supporting the force as a whole and of providing reinforcing fires for other artillery units.