nanotainerEtymologyFrom nano- + container, introduced by the startup Theranos.nanotainer means A small container used to hold a blood sample. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA small container used to hold a blood sample.“It has already received one approval, on a test for herpes simplex virus type 1, and will continue to use the nanotainer for that test.”