myasthenia myasthenia /ˌmaɪəˈsθiːniə/

noun

1. Any muscular weakness  ( myasthenia )
   any muscular weakness
   
2. A chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions  ( myasthenia , myasthenia gravis )
   a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions
   
   

 vending machine vending machine /ˈvɛndɪŋ məˈʃiːn/

noun

1. () A slot machine for selling goods  ( vending machine )
   a slot machine for selling goods
     He inserted a coin into the vending machine to buy a snack.
   He inserted a coin into the vending machine to buy a snack.
   
   

 Secret Service Secret Service /ˈsiːkrɪt ˈsɜːrvɪs/

noun

1. The United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents  ( Secret Service , SS , United States Secret Service , US Secret Service , USSS )
   the United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents
   
   

 cement cement /sɪˈmɛnt/

noun

1. () A building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar  ( cement )
   a building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar
    The cement mixer is mixing sand, cement, and water to make concrete
   The cement mixer is mixing sand, cement, and water to make concrete
   
   
2. () Concrete pavement is sometimes referred to as cement  ( cement )
   concrete pavement is sometimes referred to as cement
    They stood on the grey cement beside the pool
   they stood on the grey cement beside the pool
   
3. () Something that hardens to act as adhesive material  ( cement )
   something that hardens to act as adhesive material
   
4. A specialized bony substance covering the root of a tooth  ( cement , cementum )
   a specialized bony substance covering the root of a tooth
   
5. Any of various materials used by dentists to fill cavities in teeth  ( cement )
   any of various materials used by dentists to fill cavities in teeth
   

verb

1. () Make fast as if with cement  ( cement )
   make fast as if with cement
    We cemented our friendship
   We cemented our friendship
   
2. Bind or join with or as if with cement  ( cement )
   bind or join with or as if with cement
   
3. Cover or coat with cement  ( cement )
   cover or coat with cement