amperagen.
/ˈamp(ə)rɪdʒ/, /amˈpɛːrɪdʒ/, U.S. /ˈæmp(ə)rɪdʒ/, /ˈæmˌpɪrɪdʒ/ The magnitude of an electric current expressed in amperes; (also) the maximum current that can be safely applied to a device or component.
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the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > unit of measurement > strength expressed in amps
amperage1886
milliamperage1909
1886 Telegr. Jrnl. & Electr. Rev. 12 Mar. 242/1 I have heard its efficiency in ampère hours is 90 per cent., provided that the charge and discharge does not exceed a certain ampèrage per pound of lead.
1894 Work 17 Mar. 139/2 The longer the length of wire you use on any armature, the higher will be the voltage, but the lower the ampèrage.
1941 Illustr. London News 18 Feb. 191/1 Ordinary X-ray pictures are taken by long exposure to rays generated by high voltage and low amperage current.
1978 Changing Times Dec. 17/2 It doesn't take an electric chair with special high voltage and high amperage to deliver a fatal jolt.
2010 B. Sharp Fix it, make it, grow it, bake It iv. 104 Make sure the new fuse has the same amperage as the old one.
This entry has been updated (OED Third Edition, September 2019; most recently modified version published online December 2021).
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n.1886