①反〔式〕：有机化学中指对侧的某些原子或基团；②遗传学中指同源染色体上拟等位基因的两个突变基因中的一个- ultimisternal
- ultimum moriens
- ult. praes
- ultra-
- ultrabrachycephalic
- ultracentrifugation
- ultracentrifuge
- ultradian
- ultradolichocephalic
- ultrafilter
- ultrafiltrate
- ultrafiltration
- ultragaseous
- ultramicrochemistry
- ultramicron
- ultramicropipet
- ultramicroscope
- ultramicroscopic
- ultramicroscopy
- ultramicrotome
- Ultran
- ultraphagocytosis
- ultraprophylaxis
- ultraquinine
- ultra-red