LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

adiectiō

adiectiō f (genitive adiectiōnis)

Meaning

  1. addition
  2. repetition

Declension

declension
formsingularplural
nominativeadiectiōadiectiōnēs
genitiveadiectiōnisadiectiōnum
dativeadiectiōnīadiectiōnibus
accusativeadiectiōnemadiectiōnēs
ablativeadiectiōneadiectiōnibus
vocativeadiectiōadiectiōnēs

adjectĭo, ōnis, f. id.,
I. an adding to, addition, annexation.
I. In gen.: Romana res adjectione populi Albani aucta, Liv. 1, 30: illiberalis, a small addition, id. 38, 14 ext.: caloris, Sen. Ep. 189: litterarum, Quint. 1, 5, 16; also the permission of adding, etc. (cf.: accessus, aditus): Hispalensibus familiarum adjectiones dedit, he granted to them the right of settling new families, Tac. II. 1, 78.—More freq.,
II. Esp., as t. t.
A. In archit.
1. A projection in the pedestal of columns, the cornice of the pedestal, Vitr. 3, 2.—
B. In medicine, a strengthening, invigorating remedy: quae (i. e. diseases) non detractionibus, sed adjectionibus curantur, Vitr. 1, 6, 3.—
C. In rhet., the repetition of the same word, e. g. occidi, occidi, Quint. 9, 3, 28 (in Cic., adjunctio, q. v.).—
D. In auctions, the addition to a bid, Dig. 18, 2, 17 al.; cf. adjicio.

Origins

Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin adiectiō From adiciō + -tiō.

Quick answers

What does adiectiō mean in Latin?
adiectiō, a noun, means “addition; repetition”.
What is the genitive of adiectiō?
The genitive singular is adiectiōnis. adiectiō is feminine, third declension.