From Wikipedia, the free encyclopedia
Contraction may refer to:
- Lanthanide contraction, the decrease in size of the ionic radius of lanthanide elements with their growing atomic number (series of Rare Earth Elements (REE) in the Mendeleev Table).
- Contraction (childbirth), a contraction during childbirth (basically referring to muscle contraction).
- Contraction (grammar), a shortened term formed by omitting the middle of a word or words.[1]
- Syncope (phonetics), the loss or reduction of sounds within a word.
- Braille contraction, used to decrease space and increase reading speed.
- Economic contraction, a reversal of economic growth; the opposite of economic expansion.
- The reverse of thermal expansion.
- Contraction mapping, in mathematics, a type of function on a metric space.
- Contraction (operator theory), in mathematics.
- Edge contraction or vertex contraction, graph operations used in graph theory.
- Muscle contraction, one that occurs when a muscle fiber lengthens or shortens.
- Tensor contraction in tensor theory (in mathematics).
- Contraction, a stage in wound healing.
- A structural rule in proof theory.
- ^ New Hart's Rules Oxford (2005), p 166