degeneracy
C1Pronunciation
UK
- /dɪdʒˈɛnərəsi/
US
- /dɪˈdʒɛnərəsi/
Description
- decline
- deterioration
- moral decay
- loss of complexity
Degeneracy isn't always about something physically falling apart; it usually means a decline in value, standards, or complexity. Imagine a once-grand estate slowly crumbling, or a society losing its ethical foundations. It is a process of decay from a healthier, more stable state to one that is weaker or simpler. In math and physics, the word is technical too, describing special cases where normal rules simplify or change—such as a triangle becoming a straight line.
Degeneracy is a broad word with a range of meanings, almost always tied to decline or deterioration. At its core, it describes a process where a system, organism, or society loses the qualities that once made it strong, complex, or "proper."
Historically, in biology and medicine, degeneracy often refers to loss of function or vigor in a species or system, sometimes linked with age, disease, or harmful genetic change. This is part of why the word carries a strong sense of decline—the idea of a once-robust lineage becoming weaker or less specialized over time.
Beyond biology, the term is most frequently applied to moral or cultural decay. To speak of "moral degeneracy" is to suggest a widespread breakdown in ethical behavior or a departure from the principles that a society once held dear. It implies that the current state is not just different, but inferior to what came before.
Interestingly, the word serves a vital role in mathematics and physics. In these fields, it refers to a loss of distinctness. In quantum mechanics, for example, "degeneracy" occurs when different physical states share the same energy level. In geometry, a "degenerate case" is a version of a shape that has lost its expected properties—like a circle with a radius of zero, which is just a point.
Whether describing a species, a culture, or a mathematical equation, degeneracy points to a loss of quality, order, or function, signaling a shift from a healthy or structured state toward simplification or decay.
Examples
- 1
Political insult
The regime used the word *degeneracy* to attack art it did not approve of.
- 2
Social decline
He saw the corruption and violence around him as signs of social degeneracy.
- 3
Quantum physics
In quantum mechanics, that symmetry produces a twofold degeneracy in the ground state.
Domain
twofold degeneracy
two different states have the same energy
Forms and spellings
2 forms open this card.
Main spelling
- degeneracynoun
Forms
- degeneraciespluralnoun