ампер-час

• а́мперча́с (ámperčás)

Analysable as а́мпер (ámper, “ampere”) +‎ час (čas, “hour”), possibly calqued from German Amperestunde or French ampère-heure, or borrowed from Lua error in Module:utilities at line 142: attempt to perform arithmetic on local 'h' (a nil value).

• IPA^(key): [ˈampɛr-ˈt͡ʃa̟s]

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а́мпер-ча́с • (ámper-čás) m

1. ampere-hour

Lua error in Module:utilities at line 142: attempt to perform arithmetic on local 'h' (a nil value)

• “амперчас”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Sofia: Bulgarian Academy of Sciences, 2014
• “амперчас”, in Речник на българския език [Dictionary of the Bulgarian Language] (in Bulgarian), Chitanka, 2010

First attested in 1900. ампе́р (ampér) +‎ час (čas), calque of German Amperestunde or French ampère-heure.

• IPA^(key): [ɐm⁽ʲ⁾ˌpʲer ˈt͡ɕas]

ампе́р-ча́с • (ampér-čás) m inan (genitive ампе́р-ча́са, nominative plural ампе́р-часы́, genitive plural ампе́р-часо́в)

1. ampere-hour

Lua error in Module:utilities at line 142: attempt to perform arithmetic on local 'h' (a nil value)

• Arapova, N. S. (2000), “ампер-час”, in Kalʹki v russkom jazyke poslepetrovskovo perioda. Opyt slovarja [Calques in Post-Petrine Russian. An Essay of a Dictionary] (in Russian), Moscow: Moscow University Press