defense mechanism
The term "defense mechanism" is used in both psychology and biology to describe strategies for protection, either mentally or physically.
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Definition
C1Psychology
(technical, academic)An unconscious strategy used to cope with stress, anxiety, or unacceptable thoughts by distorting reality.
Example
- Repression is a common defense mechanism where unwanted thoughts are pushed out of conscious awareness.
- She used humor as a defense mechanism to avoid dealing with her grief.
C1Biology
(technical, academic)An automatic reaction of the body to protect itself from harmful agents like pathogens.
Example
- The immune system's response to bacteria is a defense mechanism that keeps us healthy.
- Plants have developed various defense mechanisms to deter herbivores.