Alkaloids

Alkaloids, bodies of vegetable origin, similar in their properties, as well as toxicologically, to alkalies; contain as a rule carbon, hydrogen, oxygen, and nitrogen; many of them are poisonous and invaluable in medicine.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Alkaline earths * Alkmaar`
Alighie`ri
Al`ima
Alimentary canal
Alison, Archibald
Alison, Sir Archibald
Alison, W. Pulteney
Aliwal`
Al`kahest
Alkalies
Alkaline earths
Alkaloids
Alkmaar`
Alkmer, Henrik van
All the Talents, Administration of
Al`lah
Allahabad`
Allan, David
Allan, Sir William
Allantois
Allard`
Allegha`ny