WordWeb Online

1. A widely distributed system consisting of all the cells able to ingest bacteria or colloidal particles etc, except for certain white blood cells
   - reticuloendothelial system

1. The syllable naming the second (supertonic) note of any major scale in solmization
   - ray

1. A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
   - rhenium, atomic number 75
    
2. Ancient Egyptian sun god with the head of a hawk; a universal creator; he merged with the god Amen as Amen-Ra to become the king of the gods
   - Ra

Type of: Egyptian deity, metal, metallic element, solfa syllable, system

Part of: immune system

Encyclopedia: RES