infill
nounEtymology From in + fill.
1
That which fills in a space, hole or gap.
- Government needs to provide certainty to the rail freight industry with infill electrification programmes [...]. "First, it's about Government committing to infill electrification so we can do things with the locomotives we already have, and then a rolling plan of electrification."2020 July 15, “Rail freight sector demands Government commitment”, in Rail, page 10:
2
Cosmetics, Lifestyle The redecoration of a fingernail or toenail after it has grown, to prevent an unsightly gap.