PH SCALE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does pH scale mean? 

• PH SCALE (noun)
  The noun PH SCALE has 1 sense:

1. (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)

  Familiarity information: PH SCALE used as a noun is very rare.

 Dictionary entry details 

• PH SCALE (noun)

Sense 1

Meaning:

(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)

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

pH; pH scale

Hypernyms ("pH scale" is a kind of...):

hydrogen ion concentration (the number of moles of hydrogen ions per cubic decimeter)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

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

acidity (pH values below 7)

alkalinity (pH values above 7)

neutrality (pH value of 7)

 Context examples 

Basicity is measured on a scale called the pH scale.

(Base, NCI Dictionary)

Acidity is measured on a scale called the pH scale.

(Acid, NCI Dictionary)