pH
noun/ˌpiː ˈeɪtʃ/
/ˌpiː ˈeɪtʃ/
[singular] (chemistry)- a measurement of the level of acid or alkali in a solution or substance. In the pH range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an alkali.
pH 值（溶液或物质的酸碱度。pH 值介于 0 至 14，7 以下为酸，7 以上为碱） - a pH of 7.5
pH 值 7.5 - to test the pH level of the soil
测试土壤的酸碱度
WordfinderTopics Physics and chemistryc2- acid
- catalyst
- chemistry
- compound
- formula
- molecule
- pH
- react
- solution
- valency
Word Originearly 20th cent.: from p representing German Potenz ‘power’ + H, the symbol for hydrogen. - a pH of 7.5