res Meaning, Definition & Usage

1. noun 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.
   
2. noun 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
   atomic number 75; Re; rhenium.
   
3. noun 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
   Re; Ra.
   
4. noun the syllable naming the second (supertonic) note of any major scale in solmization
   re; ray.
   

WordNet