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1

tat

play
verb \ˈtat\

Definition of tat

tatted

tatting

  1. intransitive verb
  2. :  to work at tatting

  3. transitive verb
  4. :  to make by tatting



Origin and Etymology of tat

back-formation from tatting


First Known Use: 1858

Other Handicraft Terms


2

tat

play
noun \ˈtat\

Definition of tat

  1. :  a small protein produced by a lentivirus (as HIV) that greatly increases the rate of viral transcription and replication and enhances the susceptibility of T cells to infection; also :  the viral gene that codes for the tat protein



Origin and Etymology of tat

trans-activating transcriptional regulation


First Known Use: 1985

Other Biochemistry Terms


3

tat

play
noun \ˈtat\

Definition of tat

  1. :  tattoo

tat

verb


Origin and Etymology of tat

by shortening


First Known Use: 1987


TAT

abbreviation

Definition of TAT

  1. thematic apperception test




Medical Dictionary

tat

play
noun , often capitalized \ˈtat\

Medical Definition of tat

  1. 1:  a small protein produced by a lentivirus (as HIV) within infected cells that greatly increases the rate of viral transcription and replication and that is also secreted extracellularly where it plays a role in increasing viral replication in newly infected cells and in enhancing the susceptibility of T cells to infection—called also tat protein

  2. 2:  the viral gene that codes for the tat protein




TAT

abbreviation

Medical Definition of TAT

  1. thematic apperception test




Learn More about tat

  1. Medical Dictionary: Definition of tat Britannica English: Translation of tat for Arabic speakers


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