ACIDITY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does acidity mean? 

• ACIDITY (noun)
  The noun ACIDITY has 3 senses:

1. the property of being acidic

2. the taste experience when something acidic is taken into the mouth

3. pH values below 7

  Familiarity information: ACIDITY used as a noun is uncommon.

 Dictionary entry details 

• ACIDITY (noun)

Sense 1

Meaning:

The property of being acidic

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

acidity; sour; sourness

Hypernyms ("acidity" is a kind of...):

taste property (a property appreciated via the sense of taste)

Hyponyms (each of the following is a kind of "acidity"):

acerbity; tartness (a sharp sour taste)

vinegariness; vinegarishness (a sourness resembling that of vinegar)

Derivation:

acid (having the characteristics of an acid)

Sense 2

Meaning:

The taste experience when something acidic is taken into the mouth

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

acidity; acidulousness

Hypernyms ("acidity" is a kind of...):

sour; sourness; tartness (the taste experience when vinegar or lemon juice is taken into the mouth)

Sense 3

Meaning:

PH values below 7

Classified under:

Nouns denoting attributes of people and objects

Hypernyms ("acidity" is a kind of...):

pH; pH scale ((from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic))

Hyponyms (each of the following is a kind of "acidity"):

hyperacidity (excessive acidity)

Antonym:

alkalinity (pH values above 7)

 Context examples 

Different species of diatoms living in ocean and lakes have affinities for different environmental conditions such as alkalinity, available nutrients, salinity and acidity.

(Diatom, NOAA Paleoclimate Glossary)

"Why should you not take the chance of perpetuating your own name?" said Summerlee, with his usual touch of acidity.

(The Lost World, by Sir Arthur Conan Doyle)

A protein complex found in the membrane of the endosome that transports hydrogen ions into the lumen to increase its acidity.

(Endosome Proton Pump, NCI Thesaurus)

As a result, the volume and free acidity of gastric secretions and excessive pharyngeal, tracheal, and bronchial secretions are reduced.

(Glycopyrrolate, NCI Thesaurus)

A protein complex found in the membrane of the lysosome that transports hydrogen ions into the lumen to increase its acidity.

(Lysosome Proton Pump, NCI Thesaurus)

Measures the acidity (pH) and the levels of oxygen, carbon dioxide, and bicarbonate in the blood.

(Arterial Blood Gas Measurement, NCI Thesaurus)

These agents are used topically or systemically for management of metabolic acidosis, improved muscle contraction, and hyper-acidic conditions (preventing, counteracting, or neutralizing stomach acidity).

(Antacid Preparation, NCI Thesaurus)

On this scale, a value of 7 is neutral, and a pH value of less than 7 to 0 shows increasing acidity.

(Acid, NCI Dictionary)

Increased acidity in the blood secondary to acid base imbalance.

(Metabolic acidosis, NCI Thesaurus)

On this scale, a pH value of 7 is neutral, and a pH value of less than 7 to 0 shows increasing acidity.

(Acidity, NCI Dictionary)