1. plural of acidness; the quality or state of being acid in taste, chemical nature, or manner
Usage: countable and uncountable uses; often refers to multiple instances or types of acidity
2. plural of acidness; sharpness or harshness in tone, manner, or speech
Usage: figurative use; refers to emotional or interpersonal qualities

Examples

• The acidnesses of different fruits vary widely depending on their ripeness.
• The wine's acidnesses were balanced by its fruity notes.
• Her acidnesses in conversation made others uncomfortable.
• The acidnesses of the soil required amendment before planting.
• He spoke with such acidnesses that no one wanted to engage with him.
• The acidnesses present in the solution were measured using a pH meter.