ˈæ.dɪ.tɪv ˈæ.də.tɪv ˈæ.nə.lɒɡ ˈæ.nə.lɔɡ ɪ.ˈlɔŋ.ˌɡeɪt ˈlɪn.i.ɚ ˈlɪn.i.ə ˈɹʌnɪŋ of a circuit or device having an output that is proportional to the input analogue device linear amplifier of or in or along or relating to a line; involving or having a single dimension a linear measurement designating or involving an equation whose terms are of the first degree measured lengthwise cost of lumber per running foot (of a leaf shape) long and narrow