Transition

n.	1.	Passage from one place or state to another; charge; as, the transition of the weather from hot to cold. There is no death, what seems so is transition. - Longfellow.
	2.	(Mus.) A direct or indirect passing from one key to another; a modulation.
	3.	(Rhet.) A passing from one subject to another. [He] with transition sweet, new speech resumes. - Milton.
	4.	(Biol.) Change from one form to another. Transition rocks (Geol.) a term formerly applied to the lowest uncrystalline stratified rocks (graywacke) supposed to contain no fossils, and so called because thought to have been formed when the earth was passing from an uninhabitable to a habitable state.

Noun	1.	transition - the act of passing from one state or place to the next Synonyms: passage
	2.	transition - an event that results in a transformation Synonyms: changeover, conversion
	3.	transition - a change from one place or state or subject or stage to another
	4.	transition - a musical passage moving from one key to another Synonyms: modulation
	5.	transition - a passage that connects a topic to one that follows

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