We don't have synonyms for chloroplasts yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chloroplast, chloroplastic and chloroplastid.
(n) :
(cytology) An organelle, found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place, characterized by a high concentration of chlorophyll and two membranes.
(n) :
(cytology) An organelle, found in the cells of green plants and in photosynthetic algae, where photosynthesis takes place, characterized by a high concentration of chlorophyll and two membranes.