Cohesion, along with adhesion (attraction between unlike molecules), helps explain phenomena such as meniscus, surface tension and capillary action. Mercury in a glass flask is a good example of the effects of the ratio between cohesive and adhesive forces.
Definition of aspire for English Language Learners : to want to have or achieve something (such as a particular career or level of success) ASPIRE Defined for Kids
What is aspiration? Aspiration is the use of suction to remove fluid or other tissues from the body to test them for diseases and disorders. An aspiration can diagnose cancer, cysts, meningitis, abdominal infection, and complications of pregnancy.