polarity indicator
51cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
52dye — dyable, dyeable, adj. dyer, n. /duy/, n., v., dyed, dyeing. n. 1. a coloring material or matter. 2. a liquid containing coloring matter, for imparting a particular hue to cloth, paper, etc. 3. color or hue, esp. as produced by dyeing. 4. of the… …
53Model organism — Escherichia coli is a gram negative prokaryotic model organism …
54Sulfuric acid — Sulfuric acid …
55Transistor — For other uses, see Transistor (disambiguation). Assorted discrete transistors. Packages in order from top to bottom: TO 3, TO 126, TO 92, SOT 23 A transistor is a semiconductor device used to amplify and switch electronic signals and power. It… …
56Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …
57Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
58Lichtenberg figure — Lichtenberg figures (Lichtenberg Figuren, or Lichtenberg Dust Figures ) are branching electric discharges that sometimes appear on the surface or the interior of insulating materials. They are named after the German physicist Georg Christoph… …
59Earth X — This article is about the Marvel Comics miniseries Earth X and its sequels. For the universe in the DC Comics multiverse, see Earth X. Earth X is the collective name for a trilogy of comic book series published by Marvel Comics beginning in 1997 …
60Indo-Aryan migration — For other uses, see Indo Aryan migration (disambiguation). Indo European topics Indo European languages (list) Albanian · Armenian · Baltic Celtic · Germanic · Greek Indo Iranian …
