Submitted by admin on Fri, 05/02/2014 - 23:03
definition:
Cause (an event or situation, typically one that is undesirable) to happen suddenly, unexpectedly, or prematurely;Cause (a substance) to be deposited in solid form from a solution;
sentence:
When substances are precipitated by inorganic or organic processes the material is known as chemical sediment.
difficulty:
medium
toefl frequency:
2
toefl classification:
adverb:
adjective:
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verb:
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