Added 9 October 2026
fill-in
/ˈfɪlˌɪn/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about fill-in at Wordnik → Where our words come from →
- A temporary replacement for another, especially at a job.
- A substitution.
- An intermediate result that must be stored temporarily during the course of a sparse matrix computation.