"that is to say" in German that is to say nämlich /näml./ d.h. und zwar Detailed translations for "that is to say" that is to say that is to say(also: namely) nämlich /näml./{adverb} that is to say(also: namely) d.h. that is to say(also: namely, videlicet /viz./) und zwar English synonyms for "that is to say" that is to say {r} namely to wit videlicet viz.