noun, Chemistry, Pharmacology.
a white, crystalline, water-insoluble, explosive solid, C 5 H 8 N 4 O 1 2 , used chiefly as a high explosive and as a vasodilator in treating angina pectoris.
[pen-tuh-gon, -guh n] /ˈpɛn təˌgɒn, -gən/ noun 1. a polygon having five angles and five sides. 2. the Pentagon. /ˈpɛntəˌɡɒn/ noun 1. a polygon having five sides /ˈpɛntəˌɡɒn/ noun 1. the five-sided building in Arlington, Virginia, that houses the headquarters of the US Department of Defense 2. the military leadership of the US n. plane […]
noun, Crystallography. 1. .
[pen-tuh-guh-neez, -nees] /ˌpɛn tə gəˈniz, -ˈnis/ noun 1. a style of language characterized by the use of euphemisms, technical jargon, acronyms, and circumlocutions, used especially by people working in the U.S. military establishment.
[pen-tag-uh-noid] /pɛnˈtæg əˌnɔɪd/ adjective 1. like a in shape.