noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An optical device which measures the light passing through a stained section of tissue in order to analyze the compounds within its cells.
2. 2
   a photometer that can be used to locate and identify chemical compounds in a cell by measuring the intensity of the light that passes through stained sections of the cytoplasm wordnet

Etymology

From cyto- + photo- + -meter.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.