principal diameter
31Mohr's circle — Mohr s circles for a three dimensional state of stress Mohr s circle, named after Christian Otto Mohr, is a two dimensional graphical representation of the state of stress at a point. The abscissa, , and ordinate …
32muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
33photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
34Vault (architecture) — A Vault (French. voute, Italian. volta, German. Gewölbe, Polish. sklepienie , Spanish. bóveda ) is an architectural term for an arched form used to provide a space with a ceiling or roof. url=http://concise.britannica.com/ebc/article… …
35photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …
36body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the …
37Blood pressure — For information about high blood pressure, see Hypertension. Blood pressure Diagnostics A sphygmomanometer, a device used for measuring arterial pressure. MeSH …
384-6-2 — Under the Whyte notation for the classification of steam locomotives, a 4 6 2 locomotive has four leading wheels (generally arranged in a leading truck), six coupled driving wheels and two trailing wheels (often but not always in a trailing… …
39Organ flue pipe scaling — The subject of this article is technical in nature and requires an understanding of organ terminology. This is in the process of being rectified. Many of the terms used here are defined in the pipe organ article. Scaling is the term used to… …
40Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… …
