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in the PONS Dictionary

AC1 [ˌeɪˈsi:] N Am

AC abbreviation of air conditioner

AC
Klimaanlage f <-, -n>

air con·ˈdi·tion·er N

Klimaanlage f <-, -n>

AC2 [ˌeɪˈsi:] N no pl Am

AC abbreviation of air conditioning

air con·ˈdi·tion·ing, AC N no pl

1. air conditioning (process):

Klimatisierung f <-, -en>

2. air conditioning (plant):

Klimaanlage f <-, -n>

AC3 [ˌeɪˈsi:] N no pl, no art

AC ELEC abbreviation of alternating current

230 V AC
230 V AC

al·ter·nat·ing ˈcur·rent N no pl

Wechselstrom m <-(e)s, -ströme>

air con·ˈdi·tion·ing, AC N no pl

1. air conditioning (process):

Klimatisierung f <-, -en>

2. air conditioning (plant):

Klimaanlage f <-, -n>

AC, alternating current

AC

I. AC/DC [ˌeɪsi:ˈdi:si:] N no pl

AC/DC ELEC → alternating current/direct current

AC/DC

II. AC/DC [ˌeɪsi:ˈdi:si:] ADJ inv inf (bisexual)

AC/DC
bi inf