Submitted by György Chityil ... on Sat, 01/20/2018 - 00:57 Hierarchy: NounDescription: {{organic chemistry}} The monoaldehyde of a dicarboxylic acid; those of some amino acids are intermediates in biosynthesisNgram: semialdehydeNgram Text: semialdehydeSource: WiktionaryIssue: 0Wiktionary tag: organic chemistryNgram Count: 1