From English - German Ding/FreeDict dictionary ver. 1.9-fd1: insoluble residue /ɪnsˈɒljuːbəl ɹˈɛsɪdjˌuː/ (I.R. /aɪ ˈɑː/) unlöslicher Rückstand see: residue, residuum, residua, residuums
insoluble residue /ɪnsˈɒljuːbəl ɹˈɛsɪdjˌuː/ (I.R. /aɪ ˈɑː/) unlöslicher Rückstand see: residue, residuum, residua, residuums
From English - German Ding/FreeDict dictionary ver. 1.9-fd1: infrared /ˌɪnfɹəɹˈɛd/ (IR /ˈɜː/) infrarot <adj>IR, /ˈɜː/
infrared /ˌɪnfɹəɹˈɛd/ (IR /ˈɜː/) infrarot <adj>IR, /ˈɜː/