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amphoteric

a. 两性的

两性的

WordNet (r) 3.0 (2006) (WordNet)

amphoteric
adj 1: having characteristics of both an acid and a base and
capable of reacting as either [synonym: {amphoteric},
{amphiprotic}] [ant: {acidic}, {alkalic}, {alkaline}]

The Collaborative International Dictionary of English v.0.48 (gcide)

amphoteric \am`pho*ter"ic\ ([a^]m`f[-o]*t[e^]r"[i^]k), a. [Gr.
'amfo`teros both.]
1. Partly one and partly the other
[1913 Webster]

2. Especially: (Chem.) Having both acidic and basic groups
within the same molecule, and consequently neither acid
nor alkaline; neutral. [R.] --Smart.
[PJC] amphotericin

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Amphoterism - Wikipedia
Amphoteric is derived from the Greek word amphoteroi (ἀμφότεροι) meaning "both" Related words in acid-base chemistry are amphichromatic and amphichroic, both describing substances such as acid-base indicators which give one colour on reaction with an acid and another colour on reaction with a base
AMPHOTERIC Definition Meaning - Merriam-Webster
The meaning of AMPHOTERIC is partly one and partly the other; specifically : capable of reacting chemically either as an acid or as a base
Amphoteric - Chemistry LibreTexts
A species that has the potential to act both as an acid and as a base according to Brønsted-Lowry Theory is said to be amphoteric
What Is Amphoteric? Substances That Can Act as Acids or Bases
What does amphoteric mean in chemistry? The word amphoteric describes a substance that can behave as either an acid or a base In chemistry, an acid is commonly understood as a substance that donates a proton, while a base accepts a proton
Amphoteric Substances: Definition, Examples, and Reactions
Learn what amphoteric substances are, with examples of amphoteric oxides hydroxides, key reactions, the difference between amphoteric amphiprotic
Amphoterism - Amphoteric Definition and Examples
In chemistry, an amphoteric substance is a chemical species that can act as both an acid and a base, depending on reaction conditions The phenomenon is called amphoterism
AMPHOTERIC | English meaning - Cambridge Dictionary
AMPHOTERIC definition: 1 able to act as a base (= a substance with a pH of more than 7) or an acid 2 able to act as a… Learn more
7. 8A: Amphoteric Behavior - Chemistry LibreTexts
Oxides of intermediate character, called amphoteric oxides, are located along the diagonal line between the two extremes Amphoteric species are molecules or ions that can react as an acid as well as a base The word has Greek origins, amphoteroi (άμφότεροι) meaning "both"
Amphoteric Definition and Examples - ThoughtCo
An amphoteric substance is one that can act as either an acid or a base, depending on the medium The word comes from the Greek amphoteros or amphoteroi, meaning "each or both of two" and, essentially, "either acid or alkaline "
Amphoterism | Acids, Bases, pH | Britannica
amphoterism, in chemistry, reactivity of a substance with both acids and bases, acting as an acid in the presence of a base and as a base in the presence of an acid Water is an example of an amphoteric substance

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