The physics definition of period is the duration of one complete cycle of a wave or oscillation.
Federalism- a form of government where a group of states, territories, etc., are governed by one central power. Federalists- a member of the Federalist party. Dual Federalism-the federal government and the statesâ government have separate, but equal, powers.
Federalism. A principle of government that defines the relationship between the central government at the national level and its constituent units at the regional, state, or local levels.he term federalism is derived from the Latin root foedus, which means formal agreement or covenant.. It includes the interrelationships between the states as well as between the states and the federal government.