1. To an infinitesimal degree; in infinitely small quantities;

Encyclopedia: Infinitesimally

• genus Amberboa
• genus Ambloplites
• genus Amblyrhynchus
• genus Ambrosia
• genus Ambystoma
• genus Ameiurus
• genus Amelanchier
• genus Amia
• genus Amianthum
• genus Ammobium
• genus Ammodytes
• genus Ammotragus
• genus Amoeba
• genus Amorpha
• genus Amorphophallus
• genus Amphibolips
• genus Amphicarpa
• genus Amphicarpaea
• genus Amphioxus
• genus Amphiprion
• genus Amphisbaena
• genus Amphisbaenia
• genus Amphiuma
• genus Amsinckia
• genus Amsonia