semigroup
noun
semi·group ˈse-mē-ˌgrüp 
ˈse-ˌmī-,
-mi-
: a mathematical set that is closed under an associative binary operation
Word History
First Known Use
1904, in the meaning defined above
- parathelypterisses
- paratheses
- parathesis
- parathion
- parathions
- parathormone
- parathormones
- parathyroid
- parathyroid gland
- parathyroid hormone
- parathyroidectomies
- parathyroidectomized
- parathyroidectomy
- parathyroids
- paratomium
- paratomy
- Paratone Brown ZUS
- paratonic
- paratransit
- paratrichosis
- paratroop
- paratrooper
- paratroopers
- paratrooping
- paratroops