triazo-Chem.|traɪˈæzəʊ|[f. tri- 5 c + azo-.]A formative of the names of compounds containing three atoms of nitrogen arranged in a ring, thus {b1}N{btr1}N{bbr1}N.. , as triazobenzene, C6H5N{btr1}N{bbr1}N.. . It has also been used somewhat differently, as in triazoacetic acid, N2{btr1}CH(CO2H).N2{bbr1}{bbr1}CH(CO2H).N2{btr1}CH(CO2H) . Also attrib. as in triazo compounds, triazo derivatives, etc.1896Jrnl.Chem.Soc. LXX. i. 338 Ethylic diazoacetate..with concentrated alkali, triazoacetic acid.1901Ibid. LXXX. i. 104 Preparation of Azoimides (Triazo-compounds)..p-Triazobromobenzene forms crystals melting at 20°.1910Desch & Lapworth in Chem.Soc.Ann. Reps. VII. 124 Substances containing the triazo-group, N3.
triazo-/trʌɪˈazəʊ, trʌɪˈeɪzəʊ/combining form. Also as attrib. adjective triazo. L19.
ORIGIN: from tri- + azo-.
Chemistry. Forming names of compounds containing three atoms of nitrogen, esp. at adjacent positions in a ring, as triazobenzene.
triazo- combining form Etymology: International Scientific Vocabulary tri- + az- : azido- — especially in names of organic compounds