| nonmechanical energy transfer with reference to a temperature difference between a system and its surroundings |
| the ability of a substance to flow; a measure of this ability, the reciprocal of the coefficient of viscosity |
| Main Entry: | tipping point |
| Part of Speech: | n |
| Definition: | the culmination of a build-up of small changes that effects a big change |
| Etymology: | from a book of this title by Malcolm Gladwell explaining epidemics |