beginning-of-use
51Combined oral contraceptive pill — (COCP) Background Birth control type Hormonal First use ? …
52Child development — For other uses, see Child development (disambiguation). Exploring Child development refers to the biological and psychological and emotional changes that occur in human beings between birth and the end of adolescence, as the individual progresses …
53geometry — /jee om i tree/, n. 1. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions by means of certain assumed properties… …
54E-learning — For the term online learning as used in machine learning, see Online machine learning. E learning comprises all forms of electronically supported learning and teaching. The information and communication systems, whether networked learning or not …
55E-democracy — Part of the Politics series Politics List of political topics Politics by country …
56Classical guitar making — A person who is specialized in the making of stringed instruments such as guitars, lutes and violins is called a luthier. Contents 1 Skills 1.1 Shaping of wood with acoustics and resonance aims 1.2 Sound characteristics (Timbre) …
57Mandolin — This article is about the musical instrument. For the cooking tool, see Mandoline. Mandolin A Glenn F5 Fern mandolin String instrument Classification String instrument …
58Sous-vide — cooking Sous vide (  /s …
59Methamphetamine — Meth and Tik redirect here. For other uses, see Meth (disambiguation) and Tik (disambiguation). This article is about the psychostimulant drug, methamphetamine, in both racemic and dextrorotatory forms. For the CNS inactive OTC nasal decongestant …
60Web 2.0 — A tag cloud (a typical Web 2.0 phenomenon in itself) presenting Web 2.0 themes The term Web 2.0 is associated with web applications that facilitate participatory information sharing, interoperability, user centered design,[1] and collaboration on …
