Meanings
nounthickening ring (plural thickening rings)
plural thickening rings
- biologyA ring of meristem in which the first fibrovascular bundles originate.
Cite this entry
APA
thickening ring. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/thickening%20ring
MLA
“thickening ring.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thickening%20ring. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “thickening ring,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/thickening%20ring.
Source: thickening ring on Wiktionary, CC BY-SA 4.0.