base
24
5.7
- noun
- /beɪs/
- Specialized
:
base
- Sodium hydroxide is a strong base that can react with acids to form salt and water.
- acid-base
- base neutralization
- aqueous base
So like what's the hard hard soft acid base theory like?
- So like what's the hard hard soft acid base theory like?
- Same thing with acid and base, he says.
Examples
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In chemistry class, we learned that a strong base can change litmus paper from red to blue.
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Ammonia is commonly used as a base in various chemical reactions.
-
Again, this is more of a wax base than it is a cream.
-
Iraq's industrial base is not solid enough for the domestic production of capital goods.
Academic text (1995) -
For centuries alchemists tried to make gold from base metals.
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This is a water base liquid compound reacting with a foreign substance.
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Approximately 2,500 cells were suspended in medium with 0.35% agar and seeded over the base layer.
Academic text (2015)
Idioms
Compounds
42
3.4
A place at the start of a trip for climbing or hiking where people rest and keep supplies
- Specialized
18
4.2
The total value of income, goods, or sales a government can collect money from
11
4.2
A place where people plan and start activities like a military camp or company office
10
3.3
A hit that lets the batter reach base safely, not because of an error or fielder's choice
- US
8
3.0
A white square on the field at the third corner that a runner must touch to score
- Specialized
7
3.4
A collection of information about a subject that helps people or companies find answers
- Specialized
6
3.9
Two matching chemical parts in DNA or RNA that join the two strands, for example adenine with thymine
- Jargon
2
5.9
The number of a company's products that people use now, like devices or software
- Specialized
1
5.5
An advance to first base after a batter receives four pitches outside the strike zone
- Indian
A person who manages supplies and daily tasks at a base, like transport and housing
- Specialized
A metal made mostly of copper mixed with other metals like tin or zinc
- Specialized
A balance of acids and bases in the body that keeps it working
- Specialized
The amount of acids and bases in the body that keeps fluids at the right pH
- Specialized
A chemical that changes color to show if a liquid is acidic or basic
- Specialized
A metal made mainly of nickel that resists very high heat and chemical damage
- Baby Talk
A children's game where two teams try to tag players from the other team and bring them to their base
- Specialized
A water-based paint that stays flexible, lasts a long time and resists moisture
How Basic
Surface Forms
Etymology
Base in chemistry comes from the same old idea of basis as a 'support' and was used in early chemistry to mean a substance that joins with an acid. So a chemical base is a substance that 'supports' or balances an acid, which is why it can neutralize acid.