The arrow symbol ↓ may refer to: * The downward direction, a

relative direction In geometry, direction, also known as spatial direction or vector direction, is the common characteristic of all ray (geometry), rays which coincide when translation (geometry), translated to share a common endpoint; equivalently, it is the commo ...

* The keyboard cursor control key, an

arrow key Arrow keys or cursor movement keys are keys on a computer keyboard that are either programmed or designated to move the cursor in a specified direction. The term "cursor movement key" is distinct from "arrow key" in that the former term may r ...

* A downwards arrow, a Unicode arrow symbol *

Logical NOR In Boolean logic, logical NOR, non-disjunction, or joint denial is a truth-functional operator which produces a result that is the negation of logical or. That is, a sentence of the form (''p'' NOR ''q'') is true precisely when neither ''p' ...

, operator which produces a result that is the negation of logical OR * An undefined object, in mathematical well-definition * A mathematical symbol for " approaching from above" * A

comma category In mathematics, a comma category (a special case being a slice category) is a construction in category theory. It provides another way of looking at morphisms: instead of simply relating objects of a Category (mathematics), category to one another ...

, in category theory * Down (game theory), a mathematical game * The

ingressive sound In phonetics, ingressive sounds are sounds by which the airstream flows inward through the mouth or nose. The three types of ingressive sounds are lingual ingressive or velaric ingressive (from the tongue and the velum), glottalic ingressive ( ...

, in phonetics * An APL function * "Decreased" (and similar meanings), in medical notation * The

precipitation In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull. The main forms of precipitation include drizzle, rain, rain and snow mixed ("sleet" in Commonwe ...

of an insoluble solid, in chemical notation

See also