cell counter
noun
Any device or machine used to perform cell counts.
Origin
Early 20th century.
- be one's (own) lookout
- be one's own man (or woman)
- be one's own master
- be one's own person
- be one's own woman
- be one's own worst enemy
- be on firm ground
- be on nodding terms
- be on one's best behaviour
- be on one's mettle
- be on one's way
- be on (or on to) a loser
- be on someone's (own) head
- be on the lookout (or keep a lookout) for
- be on the offensive
- be on the rag
- be on the take
- be on the watch
- be on the wrong tram
- be on to a good thing
- be on to someone
- be on to something
- be open to debate
- be open with
- siphuncle