lightface
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lightface — [līt′fās΄] n. a printing type having thin, light lines: this phrase is set in lightface adj. set or printed in lightface: also lightfaced … English World dictionary
lightface — noun Date: circa 1871 a typeface having comparatively light thin lines; also printing in lightface • lightfaced adjective … New Collegiate Dictionary
lightface — light•face [[t]ˈlaɪtˌfeɪs[/t]] n. 1) pri a printing type characterized by thin, light lines 2) pri Also, light′ faced . (of printed matter) set in lightface Compare boldface • Etymology: 1870–75 … From formal English to slang
Lightface analytic game — In descriptive set theory, a lightface analytic game is a game whose payoff set A is a Sigma^1 1 subset of Baire space; that is, there is a tree T on omega imesomega which is a computable subset of (omega imesomega)^{ … Wikipedia
lightface — noun The opposite of boldface, a font that is light (has a low ratio of ink to white space) … Wiktionary
lightface — n. typeface having thin light lines (Printing) … English contemporary dictionary
lightface — /ˈlaɪtfeɪs/ (say luytfays) noun a type characterised by thin lines …
lightface — ˈ ̷ ̷ˌ ̷ ̷ noun : a typeface or font of characters having comparatively light thin lines (as this) compare boldface … Useful english dictionary
Borel hierarchy — In mathematical logic, the Borel hierarchy is a stratification of the Borel algebra generated by the open subsets of a Polish space; elements of this algebra are called Borel sets. Each Borel set is assigned a unique countable ordinal number… … Wikipedia
Pointclass — In the mathematical field of descriptive set theory, a pointclass is a collection of sets of points, where a point is ordinarily understood to be an element of some perfect Polish space. In practice, a pointclass is usually characterized by some… … Wikipedia
