measurement of blackness (of x-ray photograph)
1Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
2typography — /tuy pog reuh fee/, n. 1. the art or process of printing with type. 2. the work of setting and arranging types and of printing from them. 3. the general character or appearance of printed matter. [1635 45; < NL typographia, equiv. to Gk týpo(s)… …
