e·ryth·ro·cy·tom·e·ter 
(ĭ-rĭth′rə-sī-tŏmĭ-tər)
(ĭ-rĭth′rə-sī-tŏmĭ-tər)n.
A device for counting the number of red blood cells in a blood sample.
- superintend
- superintendence
- superintendent
- superior
- Superior
- superior conjunction
- superior court
- superiority
- superiority complex
- superiorly
- superior planet
- superjacent
- superjet
- superlative
- superlatively
- super lightweight
- superliner
- superlunar
- superlunary
- supermajority
- superman
- supermarket
- super middleweight
- supermodel
- supermolecule