A metallic chemical element, atomic number 21, obtained from some uranium ores; it is a transition element.

(linear algebra) The product of two vectors computed as the sum of the corresponding elements of the vectors, or, equivalently, as the product of the magnitudes of the vectors and the cosine of the angle between their directions.

(mathematics) Having magnitude but not direction. / (computer science) Consisting of a single value (e.g. integer or string) rather than multiple values (e.g. array). / Of, or relating to scale.

(mathematics) A quantity that has magnitude but not direction; compare vector. / (electronics) An amplifier whose output is a constant multiple of its input.

A device which scans documents in order to convert them to a digital medium. / A radio receiver which iterates through a sequence of frequencies to detect signal.

Somewhat less than is needed in amplitude or extent. / Sparing; niggardly; parsimonious; stingy.

(obsolete) A ladder; a series of steps; a means of ascending. / An ordered, usually numerical sequence used for measurement, means of assigning a magnitude. / Size; scope.

(transitive) To change the size of something whilst maintaining proportion; especially to change a process in order to produce much larger amounts of the final product.

Part of an overlapping arrangement of many small, flat and hard pieces of keratin covering the skin of an animal, particularly a fish or reptile.

(transitive) To remove the scales of. / (intransitive) To become scaly; to produce or develop scales. / (transitive) To strip or clear of scale; to descale.