1. The ordinal number of one trillion in counting order

1. One part in a trillion equal parts
   - one-trillionth

Derived forms: trillionths

See also: ordinal

Type of: common fraction, simple fraction, vulgar fraction [Brit]

Encyclopedia: Trillionth

• genus Menura
• genus Menyanthes
• genus Menziesia
• genus Mephitis
• genus Mercenaria
• genus Mercurialis
• genus Mergus
• genus Meriones
• genus Merlangus
• genus Merluccius
• genus Merops
• genus Mertensia
• genus Meryta
• genus Mesembryanthemum
• genus Mesocricetus
• genus Mesohippus
• genus Mespilus
• genus Mesua
• genus Metasequoia
• genus Metroxylon
• genus Microcentrum
• genus Micrococcus
• genus Microdipodops
• genus Microgramma
• genus Micromeria