fibrinogen fibrinogen /faɪˈbrɪnədʒən/

noun

1. A protein present in blood plasma; converts to fibrin when blood clots  ( factor I , fibrinogen )
   a protein present in blood plasma; converts to fibrin when blood clots
   
   

 pit pit /ˈpɪt/

noun

1. () A sizeable hole (usually in the ground)  ( cavity , pit )
   a sizeable hole (usually in the ground)
    They dug a pit to bury the body
   they dug a pit to bury the body
   
2. A workplace consisting of a coal mine plus all the buildings and equipment connected with it  ( colliery , pit )
   a workplace consisting of a coal mine plus all the buildings and equipment connected with it
   
   
3. Lowered area in front of a stage where an orchestra accompanies the performers  ( orchestra pit , pit )
   lowered area in front of a stage where an orchestra accompanies the performers
   
   
4. A surface excavation for extracting stone or slate  ( pit , quarry , stone pit )
   a surface excavation for extracting stone or slate
    A British term for quarry' is stone pit'
   a British term for quarry' is stone pit'
   
5. A trap in the form of a concealed hole  ( pit , pitfall )
   a trap in the form of a concealed hole
   
6. (auto racing) an area at the side of a racetrack where the race cars are serviced and refueled  ( pit )
   (auto racing) an area at the side of a racetrack where the race cars are serviced and refueled
    During the race, the driver quickly entered the pit for a tire change.
   During the race, the driver quickly entered the pit for a tire change.
   
   
7. (commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on  ( pit )
   (commodity exchange) the part of the floor of a commodity exchange where trading in a particular commodity is carried on
   
8. An enclosure in which animals are made to fight  ( pit )
   an enclosure in which animals are made to fight
   
9. (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment  ( Hell , infernal region , Inferno , nether region , perdition , pit )
   (Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment
    Hurl'd headlong...To bottomless perdition, there to dwell
   Hurl'd headlong...To bottomless perdition, there to dwell
    A demon from the depths of the pit
   a demon from the depths of the pit
    Hell is paved with good intentions
   Hell is paved with good intentions
   
   
10. The hard inner (usually woody) layer of the pericarp of some fruits (as peaches, plums, cherries or olives) that contains the seed  ( endocarp , pit , stone )
    the hard inner (usually woody) layer of the pericarp of some fruits (as peaches, plums, cherries or olives) that contains the seed
     You should remove the stones from prunes before cooking
    you should remove the stones from prunes before cooking
    
11. A concavity in a surface (especially an anatomical depression)  ( fossa , pit )
    a concavity in a surface (especially an anatomical depression)
    

verb

1. () Set into opposition or rivalry  ( match , play off , pit , oppose )
   set into opposition or rivalry
    Let them match their best athletes against ours
   let them match their best athletes against ours
    Pit a chess player against the Russian champion
   pit a chess player against the Russian champion
    He plays his two children off against each other
   He plays his two children off against each other
   
2. Remove the pits from  ( pit , stone )
   remove the pits from
    Pit plums and cherries
   pit plums and cherries
   
3. Mark with a scar  ( pit , pock , scar , mark )
   mark with a scar
    The skin disease scarred his face permanently
   The skin disease scarred his face permanently
   

 Leonotis leonurus Leonotis leonurus /ˌliːəˈnoʊtɪs liːˈoʊnərəs/

noun

1. Relatively nontoxic South African herb smoked like tobacco  ( Cape dagga , dagga , Leonotis leonurus , red dagga , wilde dagga )
   relatively nontoxic South African herb smoked like tobacco
   
   

 tabulator tabulator /təˈbjulətər/

noun

1. A calculator that keeps a record of the number of times something happens  ( tabulator , counter )
   a calculator that keeps a record of the number of times something happens
    The clicker served as a counter, tracking the number of people entering the venue.
   The clicker served as a counter, tracking the number of people entering the venue.