Feu·er·bach 
(foiər-bä′), Ludwig Andreas von 1804-1872.
(foiər-bä′), Ludwig Andreas von 1804-1872. German philosopher and anthropologist whose major work, The Essence of Christianity (1841), maintains that religion and divinity are projections of human nature.
- actionless
- action painter
- action painting
- action potential
- Actium
- activate
- activated charcoal
- activation
- activation analysis
- activator
- active
- active galactic nucleus
- active galaxy
- active immunity
- actively
- active-matrix
- activeness
- active recreation
- active site
- active transport
- activewear
- activin
- activism
- activist
- activistic