Angol | Francia |
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focal ((medicine) limited to a small area) adjective [UK: ˈfəʊk.l̩] [US: ˈfoʊk.l̩] | focal◼◼◼adjectif |
focal length [focal lengths] (distance) noun [UK: ˈfəʊk.l̩ leŋθ] [US: ˈfoʊk.l̩ ˈleŋkθ] | distance focale◼◼◼nom {f} |
focal point ((optics) a focus; a point at which rays of light or other radiation converge) noun [UK: ˈfəʊk.l̩ pɔɪnt] [US: ˈfoʊk.l̩ ˈpɔɪnt] | point focal◼◼◼nom {m} |
bifocals [bifocals] (spectacles with two different powers) noun [UK: ˌbaɪ.ˈfəʊk.l̩z] [US: ˌbaɪˈfo.ʊk.l̩z] | verres bifocaux◼◼◼nom {m pl} verres double foyer◼◻◻nom {m pl} |
confocal (Having the same foci) adjective [UK: kənfˈəʊkəl] [US: kənfˈoʊkəl] | confocal◼◼◼adjectif |
matrifocal adjective | matrifocale◼◼◼adjectif |
varifocal (having a variable focal length) adjective [UK: vˈɑːrɪfˌəʊkəl] [US: vˈɑːrrɪfˌoʊkəl] | varifocal◼◼◼adjectif |
varifocals (spectacles) noun | lunettes varifocalesnom {f pl} |