any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
the convergence of two parallel railroad tracks in a narrow place; the inner rails cross and run parallel and then diverge so a train remains on its own tracks at all times
line consisting of a complex of fibers or filaments that are twisted together to form a thread or a rope or a cable
a pattern forming a unity within a larger structural whole; "he tried to pick up the strands of his former life"; "I could hear several melodic strands simultaneously"
a street in west central London famous for its theaters and hotels
a poetic term for a shore (as the area periodically covered and uncovered by the tides)
the result of a mathematical integration; F(x) is the integral of f(x) if dF/dx = f(x)
constituting the undiminished entirety; lacking nothing essential especially not damaged; "a local motion keepeth bodies integral"- Bacon; "was able to keep the collection entire during his lifetime"; "fought to keep the union intact"
an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)