Link/lɪŋk/ Definition 1 of 5Pro Tip 1/3Abstract Concept The link here is intangible, showing relationship or relevance between abstract concepts. She found a link between diet and well-being. Pro Tip 2/3Implicit Cause Sometimes 'link' indicates an underlying cause, not just a correlation. Scientists discovered a link between smoking and lung cancer. Pro Tip 3/3Research Context Often used in academic or research contexts to show findings or hypotheses. The study explored the link between sleep patterns and learning abilities.