Home›Browse›D›decimal terabytedecimal terabyteOur editors are putting together more complete content — check back in about 20 minutesdecimal terabytedecimal terabyte — nounnoun1. 10^12 bytes, equal to 1 trillion bytes1.nounDefinition10^12 bytes, equal to 1 trillion bytesExampleA decimal terabyte hard drive can store about 1 trillion bytes.