stroma

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a mass of fungal tissue that has spore-bearing structures embedded in it or on it
• Hypernyms:
plant tissue
2. the dense colorless framework of a chloroplast
• Hypernyms:
plant tissue
3. the supporting tissue of an organ (as opposed to parenchyma)
• Hypernyms:
animal tissue