ALL meanings of granum
gra·num
G g - noun plural granum (in prescriptions) a grain. 1
- noun plural granum Botany. one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids. 1
- noun granum (biology) a stacklike structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis. 1
- noun granum any of the membrane layers in a chloroplast 0
- noun granum any of the stacks of thylakoids in a chloroplast 0