circular
81Circular reasoning — is a formal logical fallacy in which the proposition to be proved is assumed implicitly or explicitly in one of the premises. For example: Only an untrustworthy person would run for office. The fact that politicians are untrustworthy is proof of… …
82circular letter — noun A letter of which copies are sent to several persons • • • Main Entry: ↑circular * * * circular letter, a form letter, sent to each of a number of people …
83Circular DNA — is a form of DNA that is found in viruses, bacteria and archaea as well as in eukaryotic cells in the form of either mitochondrial DNA or plastid DNA. While the individual strands of a linear double helix represent two distinct and separable… …
84Circular symmetry — in mathematical physics applies to a 2 dimensional field which can be expressed as a function of distance from a central point only.[citation needed] This means that all points on each circle take the same value. An example would be magnetic… …
85Circular linhay — in Braunton in Devon. The linhay is located near drained marshland. Braunton Burrows is visible in the background. A circular linhay is an ancient structure found in England, particularly associated with Devon …
86circular dichroism — n 1) the property (as of an optically active medium) of unequal absorption of right and left plane polarized light so that the emergent light is elliptically polarized 2) a spectroscopic technique that makes use of circular dichroism …
87circular sinus — n a circular venous channel around the pituitary gland formed by the cavernous and intercavernous sinuses * * * sinus circularis the venous ring around the hypophysis formed by the two cavernous and the anterior and posterior intercavernous… …
88circular saw — circular saws N COUNT A circular saw is a round metal disk with a sharp edge which is used for cutting wood and other materials. [BRIT] (in AM, use buzzsaw) …
89circular sorting rack — A stationary circular rack used in offices other than bulk mail centers. (Also see rotary sorting rack and sorting rack) …
90circular breathing — noun A technique used in playing a wind instrument, in which a phrase is sustained by forcing air out of the mouth while breathing through the nose • • • Main Entry: ↑circular …
