multinomial multinomial /ˌmʌltiˈnoʊmiəl/

adjective

1. Having the character of a polynomial  ( multinomial , polynomial )
   having the character of a polynomial
    A polynomial expression
   a polynomial expression
   

noun

1. (mathematics) a mathematical function that is the sum of a number of terms  ( multinomial , polynomial )
   (mathematics) a mathematical function that is the sum of a number of terms
    Quadratic equations are a type of polynomial with a degree of 2.
   Quadratic equations are a type of polynomial with a degree of 2.
   
   

 Hephaestus Hephaestus /hɪˈfiːstəs/

noun

1. (Greek mythology) the lame god of fire and metalworking in ancient mythology; identified with Roman Vulcan  ( Hephaestus , Hephaistos )
   (Greek mythology) the lame god of fire and metalworking in ancient mythology; identified with Roman Vulcan
   
   

 screw wrench screw wrench /skruː rɛntʃ/

noun

1. Adjustable wrench that has one jaw that can be adjusted by turning a screw  ( screw wrench )
   adjustable wrench that has one jaw that can be adjusted by turning a screw
    I need a screw wrench to adjust this bolt to the right size.
   I need a screw wrench to adjust this bolt to the right size.
   
   

 cataphoresis cataphoresis /ˌkætəfəˈriːsɪs/

noun

1. The motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode  ( cataphoresis , dielectrolysis , ionophoresis , electrophoresis )
   the motion of charged particles in a colloid under the influence of an electric field; particles with a positive charge go to the cathode and negative to the anode
     DNA fragments were separated using electrophoresis in the laboratory.
   DNA fragments were separated using electrophoresis in the laboratory.