Meanings
adjectiveinterfirst (not comparable)
- nonstandardnot comparableBetween the members of the first pair of specified things (such as premolars or molars).
Further corroborating these findings, Vajaria el al 11 also found expansion in interfirst premolar distances.
2015, Marcio Rodrigues de Almeida et al., “Dentoalveolar mandibular changes with self-ligating versus conventional bracket systems: A CBCT and dental cast study”, in Dental Press Journal of Orthodontics, volume 20, →DOI
Origin
From inter- + first. A recent coinage; see usage notes.
Full word history & related roots →Cite this entry
APA
interfirst. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/interfirst
MLA
“interfirst.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/interfirst. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “interfirst,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/interfirst.
Source: interfirst on Wiktionary, CC BY-SA 4.0.