| ATPS | ambient temperature and pressure, saturated |
|---|---|
| BBT | basal body temperature |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| BTM | benign tertian malaria; body or blood temperature monitor |
| BTPS | at body temperature and ambient pressure, and saturated with water vapor [gas] |
| trough-shell | <zoology> Any bivalve shell of the genus Mactra. See Mactra. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| tube-shell | <zoology> Any bivalve mollusk which secretes a shelly tube around its siphon, as the watering-shell. Source: Websters Dictionary (01 Mar 1998) |
| tulip-shell | <zoology> A large, handsomely coloured, marine univalve shell (Fasciolaria tulipa) native of the Southern United States. The name is sometimes applied also to other species of Fasciolaria. Source: Websters Dictionary (01 Mar 1998) |
| turban-shell | <zoology> A sea urchin when deprived of its spines; popularly so called from a fancied resemblance to a turban. Source: Websters Dictionary (01 Mar 1998) |
| turnip-shell | <zoology> Any one of several large, thick, spiral marine shells belonging to Rapa and allied genera, somewhat turnip-shaped. Source: Websters Dictionary (01 Mar 1998) |
| tusk-shell | <zoology> See Tusk. Source: Websters Dictionary (01 Mar 1998) |
| K shell | The innermost electron orbit or shell; it can hold two electrons. (05 Mar 2000) |
| fig-shell | <zoology> A marine univalve shell of the genus Pyrula, or Ficula, resembling a fig in form. Source: Websters Dictionary (01 Mar 1998) |