Dimensionless

Di·men'sion·less adjective Without dimensions; having no appreciable or noteworthy extent. Milton.
Found on http://www.encyclo.co.uk/webster/D/67

dimensionless

(dĭ-men´shәn-lәs) denoting a numerical constant or variable that has no units of measurement.
Found on http://www.encyclo.co.uk/local/21001

Dimensionless

• (a.) Without dimensions; having no appreciable or noteworthy extent.
Found on http://thinkexist.com/dictionary/meaning/dimensionless/
No exact match found