an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
move while supporting, either in a vehicle or in one's hands or on one's body; "You must carry your camping gear"; "carry the suitcases to the car"; "This train is carrying nuclear waste"; "These pipes carry waste water into the river"
transport commercially
move something or somebody around; usually over long distances
characterized by the exactness or precision of mathematics; "mathematical precision"
statistically possible though highly improbable; "have a mathematical chance of making the playoffs"
beyond question; "a mathematical certainty"
of or pertaining to or of the nature of mathematics; "a mathematical textbook"; "slide rules and other mathematical instruments"; "a mathematical solution to a problem"; "mathematical proof"
acknowledge faults or shortcomings or failing; "I apologized for being late"; "He apologized for the many typoes"
defend, explain, clear away, or make excuses for by reasoning; "rationalize the child's seemingly crazy behavior"; "he rationalized his lack of success"