Sources & editorial notes
Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.
Source record: cd-319f74cd7930446d. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.
Original source entry:
吖嗪 吖嗪 [a1 qin2] /-azine/heterocyclic compound containing nitrogen in their ring such as pyridine 吡啶[bi3 ding4] C5H5N, pyrazine 噠嗪|哒嗪[da1 qin2] C4H4N2 or pyrimidine 嘧啶[mi4 ding4] C4H4N2/Source material and teaching drafts have separate provenance. Long-term commercial licensing remains under review.
Reference information
The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.
Character information
View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.