Meanings
nounparafilm (uncountable)
- uncountableplastic film used to seal laboratory containers
If sporophyte regeneration persistently fails, check that regeneration conditions are correct and ensure that plates are being sealed with parafilm.
2015 July 3, Andrew R G Plackett, Ester H Rabbinowitsch, Jane A Langdale, “Protocol: genetic transformation of the fern Ceratopteris richardii through microparticle bombardment”, in Plant Methods, volume 11, →DOI
Origin
Trade name; short for paraffin film.
Full word history & related roots →Cite this entry
APA
parafilm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/parafilm
MLA
“parafilm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/parafilm. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “parafilm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/parafilm.
Source: parafilm on Wiktionary, CC BY-SA 4.0.