cuvette

noun

1. A pot, bucket, or basin, in which molten plate glass is carried from the melting pot to the casting table.
2. A cunette.
3. A small vessel with at least two flat and transparent sides, used to hold a liquid sample to be analysed in the light path of a spectrometer.

   “The cell / DNA mixtures were nucleoporated in 1 cm transfection cuvettes according to a predefined program on the Nucleofactor.”

4. The inner lid of a timepiece.