Contemporary science is typically subdivided into the natural sciences, which study the material universe; the social sciences, which study people and societies; and the formal sciences, which study logic and mathematics.
Definition of suspend for English Language Learners : to force (someone) to leave a job, position, or place for a usually short period of time as a form of punishment : to stop (something) for a usually short period of time
Definition of slack. 1  1 : cessation in movement or flow. 2  2 : a part of something that hangs loose without strain take up the slack of a rope. 3  3 : trousers especially for casual wear âusually used in plural.  4 : a dull season or period.