buret buret /bjuːˈrɛt/

noun

1. Measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration  ( buret , burette )
   measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration
   
   

 enkephalin enkephalin /ɛn'kɛfəlɪn/

noun

1. An endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere  ( enkephalin )
   an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere
    Enkephalin plays a critical role in pain modulation due to its opiate-like properties.
   Enkephalin plays a critical role in pain modulation due to its opiate-like properties.
   
   

 ultramarine ultramarine /ˌʌltrəməˈriːn/

adjective

1. Of a brilliant pure blue to purplish blue color  ( ultramarine )
   of a brilliant pure blue to purplish blue color
   

noun

1. A vivid blue to purple-blue color  ( ultramarine )
   a vivid blue to purple-blue color
    The artist chose an ultramarine hue to paint the deep blue sky.
   The artist chose an ultramarine hue to paint the deep blue sky.
   
   
2. Blue pigment made of powdered lapis lazuli  ( ultramarine , ultramarine blue )
   blue pigment made of powdered lapis lazuli
   

 metallurgy metallurgy /ˈmɛtəlɝdʒi/

noun

1. The science and technology of metals  ( metallurgy )
   the science and technology of metals
    Metallurgy is the intricate science of extracting and processing metals.
   Metallurgy is the intricate science of extracting and processing metals.