ca·sein 
(kāsēn′, -sē-ĭn)
(kāsēn′, -sē-ĭn)n.
A protein that is the major protein in the milk of most mammals. It is the basis of cheese and is used in food products and in certain adhesives and paints.
[Ultimately from Latin cāseus, cheese.]
- sextuply
- Sextus
- sexual
- sexual abuse
- sexual assault
- sexual harassment
- sexual intercourse
- sexuality
- sexualization
- sexualize
- sexually
- sexually transmitted disease
- sexual masochism
- sexual orientation
- sexual relations
- sexual sadism
- sexual selection
- sex work
- sex worker
- sexy
- Seychelles
- Seyfert galaxy
- Seymour
- Seymour Kaufman.
- (Seyyed) Ali