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
Medical Definition of aspiration. : a drawing of something in, out, up, or through by or as if by suction: asa: the act of breathing and especially of breathing inb: the withdrawal of fluid or friable tissue from the bodyc: the taking of foreign matter into the lungs with the respiratory current.