Norwegian Bokmål

Noun

knallsyre m, f ‎(definite singular knallsyra or knallsyren)

1. fulminic acid, HCNO (HONC in some references)

References

• “knallsyre” in Store norske leksikon – Kunnskapsforlaget

Norwegian Nynorsk

Etymology

Possibly from German Knallsäure, or Swedish knallsyra

Noun

knallsyre f ‎(definite singular knallsyra)

1. fulminic acid (as above)