a group of communities in a single region or continent with similar physiognomy (structure) and related climatic and environmental conditions. One of several regional or continental expressions of a given biome.
Found on http://www.encyclo.co.uk/local/10134
A formation is a group of beds used in stratigraphy. This is the smallest unit on a geological map. Formations are grouped together into a group. See also Member.
Found on http://www.encyclo.co.uk/local/20206
[n] - natural process that causes something to form 2. [n] - an arrangement of people or things acting as a unit 3. [n] - a particular spatial arrangement 4. [n] - creation by mental activity 5. [n] - the fabrication of something in a particular shape Found on http://www.webdictionary.co.uk/definition.php?query=formation
(for-ma´shәn) the process of giving shape or form; the creation of an entity or of a structure of definite shape. a structure of definite shape. compromise formation in psychoanalysis a substituted idea or act representing and permitting partial expression of a repress... Found on http://www.encyclo.co.uk/local/21001