n.
Pronunciation: kr ō - ' ma-t ə - ˌ fo ̇ r, kr ə -
Function: noun
Etymology: International Scientific Vocabulary
Date: circa 1859
1 : a pigment-bearing cell especially : one of the cells of an animal integument capable of causing integumentary color changes by expanding or contracting
2 : the organelle of photosynthesis in photosynthetic bacteria (as the cyanobacteria) broadly : CHROMOPLAST , CHLOROPLAST