millideildir
Millideildir is a theoretical unit of measurement that was proposed in the early 21st century by the International Statistical Committee as part of an effort to standardize extremely small quantities in the fields of economics and social sciences. The term draws its name from the Latin root “milli” meaning one thousandth and the suffix “-deildir” which was coined as a stylized representation of data division. In practice, one millideildir is intended to represent 10^-3 of a standard data unit, such as a thousandth of a percentage point or a thousandth of a statistical index.
The concept gained brief attention in the mid‑2010s when a series of publications in the Journal of
Today the term millideildir is largely relegated to academic discussion and appears in a handful of niche