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- DictionaryA·cid·i·ty/əˈsidədē/
noun
- 1. the level of acid in substances such as water, soil, or wine: "the increased acidity of rainfall"
- 2. the bitterness or sharpness of a person's remarks or tone: "the cutting acidity in his voice"
ACIDITY meaning: 1. the amount of acid in a substance or in your stomach: 2. the amount of acid in a substance or…. Learn more.
Definition of acidity noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Apr 20, 2023 · Define pH and acidic, basic, and neutral pH values. Determine the magnitude of change in [H 3 O + ] for changing pH values. Perhaps you have heard of the term pH used to describe the acidity or basicity of a substance or you already know that a pH = 7 is neutral – neither acidic, nor basic.
An acid is any hydrogen-containing substance that is capable of donating a proton (hydrogen ion) to another substance. A base is a molecule or ion able to accept a hydrogen ion from an acid. Acidic substances are usually identified by their sour taste.
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Definition of 'acidity' Word Frequency. acidity in American English. (əˈsɪdəti ) noun Word forms: plural aˈcidities. 1. acid quality or condition; sourness. 2. the degree of this. 3. hyperacidity. Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved. Word origin.
Apr 17, 2024 · Noun [ edit] acidity ( countable and uncountable, plural acidities) The quality or state of being acid. Sourness; tartness; sharpness to the taste. the acidity of lemon juice. Empty stomachs lead to acidity and leave a sour taste in the mouth. ( pathology) Excessive acid quality, as in gastric secretions.
Acids are substances that provide hydrogen ions (H +) and lower pH, whereas bases provide hydroxide ions (OH –) and raise pH. The stronger the acid, the more readily it donates H +. For example, hydrochloric acid and lemon juice are very acidic and readily give up H + when added to water.
