order Foraminifera order Foraminifera /ˈɔːrdər fɔrəˈmɪnɪfərə/

noun

1. Foraminifers  ( Foraminifera , order Foraminifera )
   foraminifers
   
   

 intake valve intake valve /ˈɪnteɪk vælv/

noun

1. A valve that controls the flow of fluid through an intake  ( intake valve )
   a valve that controls the flow of fluid through an intake
    The intake valve is crucial for controlling the flow of coolant into the engine.
   The intake valve is crucial for controlling the flow of coolant into the engine.
   
   

 sombrero sombrero /sɑːmˈbrɛroʊ/

noun

1. A straw hat with a tall crown and broad brim; worn in American southwest and in Mexico  ( sombrero )
   a straw hat with a tall crown and broad brim; worn in American southwest and in Mexico
    The festival was filled with dancers wearing colorful outfits and wide-brimmed sombreros.
   The festival was filled with dancers wearing colorful outfits and wide-brimmed sombreros.
   
   

 Sombrero

1. One of the islands of Saint Christopher-Nevis  ( Sombrero )
   one of the islands of Saint Christopher-Nevis
   

 complement fixation test complement fixation test /ˈkɑːmplɪmɛnt fɪkˈseɪʃən tɛst/

noun

1. A blood test in which a sample of serum is exposed to a particular antigen and complement in order to determine whether or not antibodies to that particular antigen are present; used as a diagnostic test  ( complement fixation test )
   a blood test in which a sample of serum is exposed to a particular antigen and complement in order to determine whether or not antibodies to that particular antigen are present; used as a diagnostic test
    To determine the presence of specific antibodies, the doctor ordered a complement fixation test.
   To determine the presence of specific antibodies, the doctor ordered a complement fixation test.