0W (zero W) or 0-W may refer to: *0W, zero west, or 0°W, coordinate of the

prime meridian A prime meridian is an arbitrarily chosen meridian (geography), meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. On a spheroid, a prime meridian and its anti-meridian (the 180th meridian ...

*0W or ZW, or zero width, a non-printing character used in computer typesetting of some complex scripts **

Zero-width joiner The zero-width joiner (ZWJ, ; rendered: ; HTML entity: or ) is a non-printing character used in the computerized typesetting of writing systems in which the shape or positioning of a grapheme depends on its relation to other graphemes (complex ...

Zero-width non-joiner The zero-width non-joiner (ZWNJ, ; rendered: ; HTML entity: or ) is a non-printing character used in the computerization of writing systems that make use of Typographic ligature, ligatures. For example, in writing systems that feature initial, ...

Zero-width space The zero-width space (rendered: ; HTML entity: or ), abbreviated ZWSP, is a control character, non-printing character used in computerized typesetting to indicate where the word boundaries are, without actually displaying a visible space in the re ...

** Zero-width non-breaking space *

Zero waste Zero waste, or ''waste minimization'', is a set of principles focused on waste prevention that encourages redesigning resource life cycles so that all products are repurposed (i.e. "up-cycled") and/or reused. The goal of the movement is to avoid ...

, an environmental concept

See also