Submitted by admin on Fri, 04/18/2014 - 15:36
definition:
(Of organic matter) rot or decompose through the action of bacteria and fungi:
sentence:
This is a fungus also caused by excess fish waste and food decaying in the bottom of the tank.
Organic material decays rapidly, especially in hot climes.
difficulty:
medium
toefl frequency:
2
toefl classification: