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Webster 1913 Edition

Verb.

To jelly.

[Colloq.]

jell ‎(plural jells)

jell ‎(third-person singular simple present jells, present participle jelling, simple past and past participle jelled)

To gel
- 2008 December 5, Pennisi, Elizabeth, “Hopping to a Better Protein”, in Science, DOI:10.1126/science.322.5907.1454, ISSN 0036-8075:
  A lot of things are jelling, says Hoffman.

to gel