Phosphoric
61Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
62oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… …
63chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
64Phosphate — Systematic name …
65Phosphorus pentoxide — Phosphorus pentoxide …
66Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
67phosphate — /fos fayt/, n. 1. Chem. a. (loosely) a salt or ester of phosphoric acid. b. a tertiary salt of orthophosphoric acid, as sodium phosphate. 2. Agric. a fertilizing material containing compounds of phosphorus. 3. a carbonated drink of water and… …
68protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …
69nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
70phosphate — noun Etymology: French, from acide phosphorique phosphoric acid Date: 1788 1. a. (1) a salt or ester of a phosphoric acid (2) the trivalent anion PO43 derived from phosphoric acid H3PO4 b. an organic compound of phosphoric acid in which the acid… …
