Words similar to hardness

Example sentences for: hardness

How can you use “hardness” in a sentence? Here are some example sentences to help you improve your vocabulary:

The measured pH, hardness and alkalinity of the aerated water will be as indicated in Table 4.
3 Pimephales promelas tests were performed in soft, synthetic freshwater; total hardness, 40-48 mg/L as CaCO3, by J. Dryer, Aquatic Biology Section, EMSL-Cincinnati.
Wet chemical methods used to measure hardness, alkalinity and total residual chlorine must be standardized prior to use each day according to the procedures for those specific USEPA methods (see USEPA Methods 130.
The softness and hardness at issue here are not, of course, the words having literally to do with the physical properties of the same name, but rather the higher, metaphorical qualities associated with the words: that is, hard in the sense of "stern," "uncompromising," "grim," "tough," "realistic," "verifiable," or "physically palpable"; and soft in the sense of "moderate," "subjective," "subject to emotion," "simple," "idealistic," "weak," or "physically immaterial."
Reagents for hardness and alkalinity tests (see USEPA Methods 130.