Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main Page
Community portal
Requested entries
Recent changes
Random entry
Help
Glossary
Contact us
Search
Search
Appearance
Donations
Create account
Log in
Personal tools
Donations
Create account
Log in
Pages for logged out editors
learn more
Contributions
Talk
Contents
move to sidebar
hide
Beginning
1
English
Toggle English subsection
1.1
Noun
Toggle the table of contents
total hardness
3 languages
Malagasy
தமிழ்
中文
Entry
Discussion
English
Read
Edit
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
View history
General
What links here
Related changes
Upload file
Special pages
Permanent link
Page information
Cite this page
Get shortened URL
Download QR code
Print/export
Create a book
Download as PDF
Printable version
In other projects
Appearance
move to sidebar
hide
From Wiktionary, the free dictionary
English
[
edit
]
Noun
[
edit
]
total
hardness
(
plural
total hardnesses
)
(
inorganic chemistry
)
The sum of
calcium
and
magnesium
ion concentrations in
water
, normally expressed in mmol/L
Categories
:
English lemmas
English nouns
English countable nouns
English multiword terms
en:Inorganic chemistry
Hidden categories:
Pages with entries
Pages with 1 entry
Search
Search
Toggle the table of contents
total hardness
3 languages
Add topic
