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countdown |
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countdown [′kau̇nt‚dau̇n] (aerospace engineering) The process in the engineering definition, used in leading up to the launch of a large or complicated rocket vehicle, or in leading up to a captive test, a readiness firing, a mock firing, or other firing test. The act of counting inversely during this process. (communications) The ratio of the number of interrogation pulses not answered by a transponder to the total number received. (engineering) A step-by-step process that culminates in a climatic event, each step being performed in accordance with a schedule marked by a count in inverse numerical order. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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