contraction index

[/kənˈtrækʃən ˈɪndɛks/]
nounpl: contraction indices / contraction indexes
índice de contração
1. A numerical measure or ratio used to quantify the degree of muscle contraction or the rate of muscular shortening in physiology or biomechanics
The contraction index increased during the high-intensity exercise protocol.
O índice de contração aumentou durante o protocolo de exercício de alta intensidade.
2. In economics and finance, a metric that measures the decline or reduction in economic activity, business output, or market performance
The contraction index fell below 50, indicating economic slowdown.
O índice de contração caiu abaixo de 50, indicando uma desaceleração econômica.
3. In materials science, a measurement of volume or linear reduction in materials due to cooling, drying, or chemical processes
The concrete's contraction index was monitored to prevent structural damage.
O índice de contração do concreto foi monitorado para prevenir danos estruturais.
This term is predominantly used in technical, academic, and professional contexts in both Brazil and the USA, particularly in fields such as sports science, occupational therapy, macroeconomics, and materials engineering. In Brazil, it appears frequently in economic reports and physiotherapy literature. The term carries no colloquial or slang usage.
Synonyms / Sinônimos
contraction ratecontraction coefficientshrinkage indexdecline index
Antonyms / Antônimos
expansion indexgrowth indexextension index

Regional Variations

General Brazilian Portuguese
índice de contração
Standard term used in medical, economic, and scientific contexts
Portugal
índice de contração
Same as Brazilian Portuguese; also used in technical and academic settings
São Paulo
índice de contração / IC
Commonly used abbreviation in business and economic reports

Related Words

muscle contractioneconomic contractioncontraction velocityPMI (Purchasing Managers' Index)biomechanicsshrinkage

Related Idioms & Phrases

below the contraction index threshold
monitor the contraction index
track contraction index trends
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