A designer drug based on methamphetamine (see amphetamines). Originally intended as an appetite suppressant, it produces a feeling of euphoria and is widely used as a club drug. It is a class A drug in the UK.
Ecstasy
A state in which normal sense experience is suspended and the subject becomes joyfully conscious of higher things, although what the subject is aware of is then not typically communicable.
- root locus
- root mass ratio
- root-mean-square
- root mean squared deviation
- root mean squared error
- root-mean-square value
- root-mean-square velocity
- root nodule
- root(of an equation)
- root(of a tree)
- root of unity
- rootogram
- root pressure
- Roots blower
- rootstock
- root test
- root zone
- rope
- rope bomb
- Roque de los Muchachos Observatory
- Rorarius, Hieronymus (1485–1556)
- Rorty, Richard McKay (1931–2007)
- ROS
- ROSA
- Rosalind