Science / Biology / Vectors: Self-replicating DNA molecules that can be joined with DNA fragments to form recombinant DNA molecules.

Disease Vectors

Business / Agriculture / Disease Vectors: Plants or animals that harbor and carry disease organisms which may attack crops or livestock. MORE


Business / Construction / Index: The interest rate or adjustment standard that determines the changes in monthly payments for an adjustable rate loan. MORE

Current Ellipse

Science / Tides and Currents / Current Ellipse: A graphic representation of a rotary current in which the velocity of the current at different hours of the tidal cycle is represented by radius vectors and vectoral angles. A line joining the extremi MORE


Science / Chemistry / Component: 1. A substance whose concentration must be specified to describe the state of a mixture in which reactions are occurring. 2. A substance present in a mixture in which no reactions occur. MORE

Phase Cancellation

Technology / Home Audio / Phase Cancellation: Audio signals are complex phenomena expressed mathematically as phasors, or vectors. When two signals have the same exact time relationship to each other, they are said to be 'in-phase;' if they do no MORE


Science / Tides and Currents / Ekmanspiral : A logarithmic spiral (when projected on a horizontal plane) formed by the heads of current velocity vectors at increasing depths. The current vectors become progressively smaller with depth. They spir MORE