Subscriber login
Password
Forgot your password?
Library card login
Login with Shibboleth® »
Login with Athens »
Close menu
Oxford Dictionaries Online
The world's most trusted dictionaries
About
Subscriber services
What's new
Contact us
Help
Subscribe now
Already a subscriber or in a subscribing organization?
Login
Dictionary
Other language resources
US English
World English
Dictionary
Better writing
World of words
Puzzles and games
For children and schools
For learners of English
Email
Cite
primary treatment
(pri|mary treat|ment)
noun
[
mass noun
]
the sedimentation and removal of most suspended matter from sewage effluent:
[
as modifier
]
:
a primary treatment plant
Nearby Words
primary planet
primary poverty
primary process
primary production
primary qualities
primary school
primary sector
primary stress
primary structure
primary treatment
primate
1
primate
2
Primate of All England
Primate of All Ireland
Primate of England
primatology
primavera
prime
1
prime
2