inversion

/'in'və:ʃn/

Thân thiện

A gymnast performs a perfect inversion on the uneven bars.

Definition

1. Noun:
   • The act of turning something inside out or upside down: A physical reversal of position or order.
   • The reversal of the normal order of words: A grammatical construction where the typical word order is changed for emphasis or style.
   • A genetic mutation involving a reversed gene sequence: A chromosomal change where a segment's gene order is reversed.
   • A meteorological condition with a layer of cooler air trapped beneath warmer air: An atmospheric state that can trap pollutants.
   • A chemical process reversing optical rotation: A change in a substance's property from rotating light in one direction to the other.
   • The adoption of the gender role of the opposite sex: An older term for this phenomenon.
   • A musical variation where ascending and descending intervals are swapped: A contrapuntal technique.
   • An abnormal medical condition where an organ is turned inward: A pathological state, such as after childbirth.

Examples of Usage

• Noun:
  • The inversion of the umbrella by the strong wind made it useless. (The act of turning inside out/upside down)
  • "Never have I seen such a sight" is an example of grammatical inversion. (Reversal of normal word order)
  • A chromosomal inversion can sometimes be inherited without causing disease. (Genetic mutation)
  • The smog was worsened by a temperature inversion. (Meteorological condition)
  • The chemist studied the inversion of sucrose. (Chemical process)
  • In some older texts, the term was used to describe inversion. (Adoption of opposite gender role)
  • The composer used melodic inversion to develop the theme. (Musical technique)
  • Uterine inversion is a serious postpartum complication. (Medical condition)

Advanced Usage

• "Inversion of control" (IoC): A software design principle where the flow of control is inverted compared to traditional programming.
  • Dependency injection is a common method to achieve inversion of control in applications.
• "Inversion layer": Specifically refers to the atmospheric layer where the temperature inversion occurs.
  • The pollution was trapped under a strong inversion layer.

Variants and Related Words

• Invert (verb): To put something upside down or in the opposite order, position, or relationship.
  • Please invert the test tube.
• Inversive (adjective): Relating to or characterized by inversion.
  • The inversive geometry problem was complex.
• Inversely (adverb): In an inverted or reverse manner.
  • Pressure and volume are inversely proportional.

Synonyms

• Reversal: The act of changing something to its opposite.
• Transposition: The action of changing the order or position of things.

Related Phrases

• Inversion therapy: A treatment where a person is suspended upside down to relieve back pain.
  • Some people find inversion therapy helpful for spinal decompression.

Related Idioms

• "Turn on its head": To completely reverse or颠覆 an idea or situation. (Conceptually similar to inversion)
  • The new evidence turned the theory on its head.

Học thuật

Noun

1. the act of turning inside out
2. turning upside down; setting on end
3. a term formerly used to mean taking on the gender role of the opposite sex
4. (counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa
5. the reversal of the normal order of words
6. (genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed
7. a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa
8. abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth)
9. the layer of air near the earth is cooler than an overlying layer

Từ đồng nghĩa

• eversion
• everting
• upending
• sexual inversion
• anastrophe