gigantism
/dʒaɪˈgæntɪzəm/noun
mass noun
1- chiefly Biology unusual or abnormal largeness【主生】巨大发育。
1.1
- Medicine excessive growth due to hormonal imbalance【医】（荷尔蒙失调造成的）巨人症。
1.2
- Botany excessive size in plants due to polyploidy【植】巨型性; 硕大态。