constancy

Noun
  1. The quality of being enduring and free from change or variation (synset 104745881)
    "early mariners relied on the constancy of the trade winds"
    tells us about:
    • constant - steadfast in purpose or devotion or affection
    • inconstant - likely to change frequently often without apparent or cogent reason; variable
    is a type of: changelessness, unchangeability, unchangeableness, unchangingness - the quality of being unchangeable; having a marked tendency to remain unchanged
    subtypes:
    • invariance - the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it
    • metastability - the quality of a physical system that persists in its existing equilibrium when undisturbed (or only slightly disturbed) but able to pass to a more stable equilibrium when sufficiently disturbed
    • monotony - constancy of tone or pitch or inflection
    same as: stability
  2. (psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation (synset 105716765)
    referred to in: psychological science, psychology - the science of mental life
    is a type of: perception - the process of perceiving
    subtypes:
    • brightness constancy - the tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination
    • color constancy, colour constancy - the tendency for a color to look the same under widely different viewing conditions
    • shape constancy - the tendency to perceive the shape of a rigid object as constant despite differences in the viewing angle (and consequent differences in the shape of the pattern projected on the retina of the eye)
    • size constancy - the tendency to perceive the veridical size of a familiar object despite differences in their distance (and consequent differences in the size of the pattern projected on the retina of the eye)
    same as: perceptual constancy
  3. Faithfulness and dependability in personal attachments (especially sexual fidelity) (synset 104884459)
    is a type of: faithfulness, fidelity - the quality of being faithful

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