What does Inbetweening mean in animation?

Related questions

1. What is the purpose of the css3 @keyframes rule?
2. Did Disney use rotoscoping?
3. Is Chrome based on WebKit?
4. What are the types of animation in multimedia?
5. What is @- WebKit keyframes in CSS?
6. What does ease out mean?
7. What are the types of flash animation?
8. What is transition delay?
9. Is opera a WebKit?
10. What is easy ease?

Tags

1. #image
2. #tweening
3. #evolves
4. #including
5. #first
6. #inbetweening
7. #appearance
8. #generating
9. #intermediate
10. #computer
11. #frames
12. #second
13. #images
14. #animation
15. #process
16. #called
17. #between
18. #types
19. #smoothly