Evolution and Current

noun

• A process in which something passes by degrees to a different stage (especially a more advanced or mature stage. )
  • usage: "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer"
  • synonyms: development
• Biology) the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms. (.
  • synonyms: organic evolution, phylogeny, phylogenesis

• (n.) The formation of an involute by unwrapping a thread from a curve as an evolute.
• (n.) The act of unfolding or unrolling; hence, in the process of growth; development; as, the evolution of a flower from a bud or an animal from the egg.
• (n.) That theory of generation which supposes the germ to preexist in the parent, and its parts to be developed, but not actually formed, by the procreative act; -- opposed to epigenesis.
• (n.) That series of changes under natural law which involves continuous progress from the homogeneous to the heterogeneous in structure, and from the single and simple to the diverse and manifold in quality or function. The pocess is by some limited to organic beings; by others it is applied to the inorganic and the psychical. It is also applied to explain the existence and growth of institutions, manners, language, civilization, and every product of human activity. The agencies and laws of the process are variously explained by different philosophrs.
• (n.) A general name for the history of the steps by which any living organism has acquired the morphological and physiological characters which distinguish it; a gradual unfolding of successive phases of growth or development.
• (n.) A series of things unrolled or unfolded.
• (n.) The extraction of roots; -- the reverse of involution.
• (n.) A prescribed movement of a body of troops or a vessel or fleet; any movement designed to effect a new arrangement or disposition; a maneuver.

noun

• A flow of electricity through a conductor.
  • usage: "the current was measured in amperes"
  • synonyms: electric current
• A steady flow of a fluid (usually from natural causes. )
  • usage: "the raft floated downstream on the current"; "he felt a stream of air"; "the hose ejected a stream of water"
  • synonyms: stream
• Dominant course (suggestive of running water) of successive events or ideas.
  • usage: "two streams of development run through American history"; "stream of consciousness"; "the flow of thought"; "the current of history"
  • synonyms: stream, flow

adjective

• Occurring in or belonging to the present time.
  • usage: "current events"; "the current topic"; "current negotiations"; "current psychoanalytic theories"; "the ship's current position"

• (a.) Running or moving rapidly.
• (a.) Now passing, as time; as, the current month.
• (a.) Passing from person to person or from hand to hand; circulating through the community; generally received; common; as, a current coin; a current report; current history.
• (a.) A flowing or passing; onward motion. Hence: A body of fluid moving continuously in a certain direction; a stream; especially, the swiftest part of it; as, a current of water or of air; that which resembles a stream in motion; as, a current of electricity.
• (a.) Commonly estimated or acknowledged.
• (a.) Fitted for general acceptance or circulation; authentic; passable.
• (a.) General course; ordinary procedure; progressive and connected movement; as, the current of time, of events, of opinion, etc.

(DoD) A body of water moving in a certain direction and caused by wind and density differences in water. The effects of a current are modified by water depth, underwater topography, basin shape, land masses, and deflection from the earth's rotation.