Definitions containing the term t number

What does t number mean?

/	Number Computing » Texting
NO	Number Governmental » Military
NUM	Number Academic & Science » Mathematics
EIN	Employer Identification Number Business » International Business
PIN	Personal Identification Number Business » Accounting
PIN	Personal Identification Number Governmental » Military
PIN	Personal Identification Number Computing » General
PIN	Personal Identification Number Governmental » Police
PIN	Personal Identification Number Computing » Drivers
SSN	Social Security Number Governmental » Military
ISBN	International Standard Book Number Miscellaneous » USPS
ISBN	International Standard Book Number Academic & Science » Libraries
S/N	Serial Number Academic & Science » Ocean Science
S/N	Serial Number Governmental » NASA
S/N	Serial Number Governmental » US Government
S/N	Serial Number Medical » Veterinary
S/N	Serial Number Computing » General
S/N	Serial Number Academic & Science » Electronics
S/N	Serial Number Business » General
S/N	Serial Number Governmental » Transportation
VIN	Vehicle Identification Number Business » General
S/N	Serial Number Governmental » Military
VIN	Vehicle Identification Number Community » Educational
TIN	Taxpayer Identification Number Governmental » US Government
LNP	Local Number Portability Computing » Telecom

T number(n.): one of a series of calibrations of the lens openings of a camera according to the intensity of transmitted light.