What is the Latin word for compactness?

The usual Latin words for “compactness” are dēnsitās, spissĭtas, soliditās. The right choice depends on the sense; see the distinctions below.

English → Latin

“compactness” in Latin

dēnsitāsthickness; density; abundance spissĭtascompactness soliditāssolidity; the whole (as opposed to a share)

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

compactness

densitas: spissitas (close coherence of the single parts; e.g., densitas aëris): soliditas (firmness).

Quick answer

What is the Latin word for compactness?: The usual Latin words for “compactness” are dēnsitās, spissĭtas, soliditās. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.