Subjective in nature, properties that produce sensations in observers, such as color, taste, smell, and sound. They can be described as the effect things have on certain people. Knowledge that comes from these qualities does not provide objective facts about things. Compare with: primary quality.

SECONDARY QUALITY: "English empiricist philosopher John Locke (1632-1704) has interesting theories regarding secondary quality and perception."
Cite this page: N., Pam M.S., "SECONDARY QUALITY," in, April 28, 2013, (accessed September 20, 2021).