アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
圧搾器[assakuki] compression
圧力調整器[atsuryokuchouseiki] pressure regulator
安全器[anzenki] safety device
安定器[anteiki] stabilizer

医療器械[iryoukikai] medical appliances
育雛器[ikusuuki] breeder
化学兵器[kagakuheiki] chemical weapons
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
加減抵抗器[kagenteikouki] rheostat

いい加減にしなさい[iikagennishinasai] shape up!
一律減反[ichiritsugentan] reduction in area of rice under cultivation
塩加減[shiokagen] seasoning (with salt)
加減[kagen] addition and subtraction
加減乗除[kagenjoujo] the four arithmetical operations (addition, subtraction, multiplication, division)

加減抵抗器[kagenteikouki] rheostat
火加減[hikagen] condition of fire
経費削減[keihisakugen] cost reduction
軽減[keigen] abatement
激減[gekigen] dropping sharply

栄枯盛衰[eikoseisui] ups and downs of life
減衰[gensui] attenuation
減衰器[gensuiki] attenuator
古び衰える[furubiotoroeru] to waste away
弱り衰える[yowariotoroeru] to languish

神経衰弱[shinkeisuijaku] neurasthenia
衰える[otoroeru] to become weak
衰え果てる[otoroehateru] to be utterly spent or crushed
衰運[suiun] declining fortunes
衰躯[suiku] emaciated body