time-lag element
21folk art — folk art, adj. folk artist. artistic works, as paintings, sculpture, basketry, and utensils, produced typically in cultural isolation by untrained often anonymous artists or by artisans of varying degrees of skill and marked by such attributes as …
22Business valuation — is a process and a set of procedures used to estimate the economic value of an owner’s interest in a business. Valuation is used by financial market participants to determine the price they are willing to pay or receive to consummate a sale of a… …
23House mouse — Conservation status Least Concern (IUCN 3.1) …
24Cadmium telluride solar cell — Articleissues advert = October 2008 COI = October 2008 wikify = October 2008A cadmium telluride solar cell is a solar cell based on a cadmium telluride (CdTe) thin film, a semiconductor layer to absorb and convert sunlight into electricity… …
25Biological psychiatry — Biological psychiatry, or biopsychiatry is an approach to psychiatry that aims to understand mental disorder in terms of the biological function of the nervous system. It is interdisciplinary in its approach and draws on sciences such as… …
26relativity — /rel euh tiv i tee/, n. 1. the state or fact of being relative. 2. Physics. a theory, formulated essentially by Albert Einstein, that all motion must be defined relative to a frame of reference and that space and time are relative, rather than… …
27Speed of light — The speed of light in the vacuum of free space is an important physical constant usually denoted by the letter c . [NIST and BIPM practice is to use c 0 for the speed of light in vacuum in accord with international standard ISO 31 5. See… …
281973 oil crisis — Further information: 1973 world oil market chronology 1973 Oil Crisis Other names Arab Oil Embargo The 1973 oil crisis started in October 1973, when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC (consisting of the …
29commercial transaction — ▪ economics Introduction in law, the core of the legal rules governing business dealings. The most common types of commercial transactions, involving such specialized areas of the law and legal instruments as sale of goods and documents of… …
