Dimensionless
/ˌdaɪˈmenʃənləs/noun
Having no measurable dimensions or spatial extent.
Did you know?Dimension traces back to Latin roots meaning “to measure out,” connected to the ancient Indo-European root associated with measuring time through the Moon and its cycles.
Etymological Timeline
Proto-Indo-European
PIE
*me-
“To measure or establish a boundary”
Classical Latin
Latin
dīmētīrī
“To measure out or determine by measurement”
Classical Latin
Latin
dīmēnsiō
“A measuring out; an extent or dimension”
14th Century
Old French
dimension
“Size, extent, or measurable area”
Middle English
English
dimension
“A measurable aspect or extent of an object”
Modern English
English
dimensionless
“Without measurable dimensions; formed from dimension plus the Old English-derived suffix -less, meaning “without””