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
Definition of ascender. 1  1 : the part of a lowercase letter (such as b) that rises above the main body of the letter; also : a letter that has such a part. 2  2 : a device used for climbing rope that slides freely in one direction and grips the rope when pulled in the opposite direction.