What is the Latin word for dimension?

The usual Latin words for “dimension” are dīmēnsiō, quadrō, mētior; also ager, agō. The right choice depends on the sense; see the distinctions below.

English → Latin

“dimension” in Latin

dīmēnsiōmeasuring (out); measurement; dimension quadrōto make four-cornered, square, make square; to put in order, join properly, complete, perfect; to agree with, fit with, mētiorto measure or estimate; to distribute or mete out; to traverse agerfield; acre; land; estate; park; territory agōto act, to behave; to do; to make (something that does not continue to exist after the maker stops)

The English word dimension itself goes back to Latin mētior, through dīmēnsiō.

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

dimension

dimensio (the measuring; e.g., quadrati, Cic.): *ratio modi (proportionate magnitude). To take the dimensions of anything, metiri (e.g., of a field, agrum, Cic.): dimetiri aliquid: mensuram alicujus rei inire (Col.), agere (Plin.), facere (Ov.): to take the dimensions by the same method, eadem ratione mensuram addere (Vitrvius, 9, 3).

Quick answer

What is the Latin word for dimension?: The usual Latin words for “dimension” are dīmēnsiō, quadrō, mētior; also ager, agō. 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.