noun: (biochemistry) Abbreviation of thrombin. [(biochemistry) An enzyme in blood that facilitates blood clotting by converting fibrinogen to fibrin (by means of ionized calcium).]
noun: (biochemistry) Abbreviation of threonine. [(biochemistry) An essential amino acid C₄H₉NO₃ found in most animal proteins.]
noun: Abbreviation of target heart rate.
noun: Abbreviation of total hip replacement.
noun: Abbreviation of through-hole reflow soldering.
