VLCC
a supertanker with a deadweight capacity of up to 250,000 tons.
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ULCC
Origin of VLCC
V(ery)
L(arge)
C(rude)
C(arrier)
British Dictionary definitions for vlcc
VLCC
abbreviation for
very large crude carrier: an oil tanker with a capacity between 200 000 and 400 000 tons