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The international definition of fog is a visibility of less than 1 km (3,300 ft); mist is a visibility of between 1 km (0.62 mi) and 2 km (1.2 mi) and haze from 2 km (1.2 mi) to 5 km (3.1 mi). Fog and mist are generally assumed to be composed principally of water droplets, haze and smoke can be of smaller particle size.
Visibility, in meteorology, is a measure of the distance at which an object or light can be seen. Visibility may also refer to: A measure of turbidity in water quality control; Interferometric visibility, which quantifies interference contrast in optics; The reach of information hiding, in computing
A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
A viewshed can be represented by raster data indicating the visibility of a viewpoint for or from an area of interest. In a binary representation, a cell (shown graphically as a pixel) with a value of 1 (or "true") indicates that the viewpoint is visible from that cell, while a value of 0 (false) indicates that the viewpoint is not visible.
The primary content on Dictionary.com is a proprietary dictionary based on Random House Unabridged Dictionary, with editors for the site providing new and updated definitions. [2] [3] Supplementary content comes from the Collins English Dictionary, American Heritage Dictionary and others. [4] It is owned by IXL Learning. [5]
Visibility is primarily determined by weather conditions (see visibility) and by a vehicle's design. [3] The parts of a vehicle that influence visibility include the windshield, the dashboard and the pillars. Good driver visibility is essential to safe road traffic. Traffic sign is used in some countries to warn of a blind spot
An online dictionary is a dictionary that is accessible via the Internet through a web browser. They can be made available in a number of ways: free, free with a paid subscription for extended or more professional content, or a paid-only service.
[citation needed] One main difference between mist and fog is visibility. [1] The phenomenon is called fog if the visibility is 1 km (1,100 yd) or less. In the United Kingdom, the definition of fog is visibility less than 100 m (330 ft) on the surface for driving purposes, [2] while for pilots the distance is 1 km at cruising height. Otherwise ...