Definition of Acids. Meaning of Acids. Synonyms of Acids
Here you will find one or more explanations in English for the word Acids. Also in the bottom left of the page several parts of wikipedia pages related to the word Acids and, of course, Acids synonyms and on the right images related to the word Acids.
Definition of Acids
AcidAcid Ac"id, n.
1. A sour substance.
2. (Chem.) One of a class of compounds, generally but not
always distinguished by their sour taste, solubility in
water, and reddening of vegetable blue or violet colors.
They are also characterized by the power of destroying the
distinctive properties of alkalies or bases, combining
with them to form salts, at the same time losing their own
peculiar properties. They all contain hydrogen, united
with a more negative element or radical, either alone, or
more generally with oxygen, and take their names from this
negative element or radical. Those which contain no oxygen
are sometimes called hydracids in distinction from the
others which are called oxygen acids or oxacids.
Note: In certain cases, sulphur, selenium, or tellurium may
take the place of oxygen, and the corresponding
compounds are called respectively sulphur acids or
sulphacids, selenium acids, or tellurium acids.
When the hydrogen of an acid is replaced by a positive
element or radical, a salt is formed, and hence acids
are sometimes named as salts of hydrogen; as hydrogen
nitrate for nitric acid, hydrogen sulphate for
sulphuric acid, etc. In the old chemistry the name acid
was applied to the oxides of the negative or
nonmetallic elements, now sometimes called anhydrides. AcidAcid Ac"id, a. [L. acidus sour, fr. the root ak to be sharp:
cf. F. acide. Cf. Acute.]
1. Sour, sharp, or biting to the taste; tart; having the
taste of vinegar: as, acid fruits or liquors. Also fig.:
He was stern and his face as acid as ever. --A.
2. Of or pertaining to an acid; as, acid reaction.
Meaning of Acids from wikipedia
bond with an electron
pair (a Lewis acid
). The first category
is the proton donors
or Brønsted acids
. In the special
case of aqueous
in the side chains
of certain amino acids
500 naturally occurring amino acids
(though only 20 appear
in the genetic
- are more polarizable. typical
: H+, alkali/alkaline earth metal
cations, boranes, Zn2+ typical
: Ag+, Mo(0), Ni(0), Pt2+ typical
fat" and "oily acid
"). Fatty acids differ
by length, often categorized
to very long. Short-chain fatty acids
(SCFA) are fatty acids
large) molecule. Carboxylic acids occur widely
the amino acids
(which make up proteins) and acetic acid
(which is part of vinegar
- Nucleic acids
are the biopolymers, or small
to all known forms
of life. The term nucleic acid
is the overall
name for DNA and...
of what acids
are, and the Arrhenius theory being
the most restrictive. The first scientific concept
- amino acids
(although not ketogenic amino acids
); from breakdown
(such as triglycerides), they include
glycerol, odd-chain fatty acids
- mixture consisting
and nitric acids
in nitric acid
, was described
in the works
of Pseudo-Geber, a...
- catalyst. Sulfuric acid
is a typical catalyst
for this reaction. Many other acids
are also used such as polymeric sulfonic acids
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