Lacking anything to give a sense of scale; not having a reference for size. / Of a surface: free from deposits of scale. / (botany, zoology) Not having scales. / Without using a set of scales.

Absence of scale.

Bathophilus nigerrimus / Chirostomias pliopterus, a species found in the Atlantic Ocean / Eustomias schmidti, a dangerous predator in the deep oceanic waters / Melanostomias bartonbeani.