noun
    
    plural -tors
    
    [count] something that helps produce or influence a result :one of the things that cause something to happen
    
    
    
    
    
    
    
    a mathematics :a number that evenly divides a larger number
    
    
    
    an amount by which another amount is multiplied or divided
    
    
    
    verb
    
    -tors; -tored; -toring
    
    [+ obj] to consider or include (something) in making a judgment or calculation - + in or into
    
    
    
    
    
    to not consider or include (something) in making a judgment or calculation - + out