height of liquid column
21Comcast Center (office building) — Infobox Skyscraper building name = Comcast Center location = 1701 John F. Kennedy Blvd, Philadelphia, Pennsylvania, USA status = use = Office roof = ft to m|975|abbr=yes top floor = floor count = 57 groundbreaking = January 2005 constructed =… …
22Comcast Center (Philadelphia) — Comcast Center Former names One Pennsylvania Plaza General information Type Commercial offices …
23head, total — The total head of a liquid at a given point is the sum of three components: (a) the elevation head, which is equal to the elevation of the point above a datum, (b) the pressure head, which is the height of a column of static water that can be… …
24inch of mercury — (in Hg) a traditional unit of atmospheric pressure. In the United States, atmospheric pressure is customarily expressed as the height of a column of mercury exerting the same pressure as the atmosphere. When a traditional mercury barometer is… …
25head — /hɛd / (say hed) noun 1. the upper part of the human body, joined to the trunk by the neck. 2. the corresponding part of an animal s body. 3. the head considered as the seat of thought, memory, understanding, etc.: to have a head for mathematics …
26head — headlike, adj. /hed/, n. 1. the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth. 2. the corresponding part of the body in other animals. 3. the head considered as the center of… …
27Pascal , Blaise — (1623–1662) French mathematician, physicist, and religious philosopher Pascal was the son of a respected mathematician and a local administrator in Clermont Ferrand, France. Early in life Pascal displayed evidence that he was an infant prodigy… …
28Pressure sensor — Digital air pressure sensor Compact digital barometric pressure sensor A pressure sensor measure …
29tonometer — 1. An instrument for determining pressure or tension, especially an instrument for determining ocular tension. 2. A vessel for equilibrating a liquid ( e.g., blood) with a gas, usually at a controlled temperature; originally so named because it… …
30chromatography — chromatographer, n. chromatographic /kreuh mat euh graf ik, kroh meuh teuh /, adj. chromatographically, adv. /kroh meuh tog reuh fee/, n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column… …
