Vector1. (n.) Same as Radius vector.
2. (n.) A directed quantity, as a straight line, a force, or a velocity. Vectors are said to be equal when their directions are the same their magnitudes equal. Cf. Scalar.
Thesaurus Entries
aerial infection, air line, airborne infection, axis, azimuth, beeline, biological vector, carrier, chord, communicability, compass bearing, compass direction, contagion, contagiousness, contamination, course, cryptogenic infection, diagonal, diameter, direct infection, direct line, directrix, droplet infection, dust infection, edge, epidemiology, great-circle course, hand infection, heading, indirect infection, infection, infectiousness, lee side, magnetic bearing, mechanical vector, normal, perpendicular, phytogenic infection, primary infection, pyogenic infection, radius, radius vector, relative bearing, right line, secant, secondary infection, segment, shortcut, side, straight, straight course, straight line, straight stretch, straightaway, streamline, subclinical infection, tack, taint, tangent, transversal, true bearing, vehicle, virus, waterborne infection, weather side, zoogenic infection