n. 并排, 并置, 并列

[医] 并列, 并置, 对合

Juxtaposition \Jux`ta*po*si"tion\
(j[u^]ks`t[.a]*p[-o]*z[i^]sh"[u^]n), n. [L. juxta near +
positio position: cf. F. juxtaposition. See {Just}, v. i.,
and {Position}.]
A placing or being placed in nearness or contiguity, or side
by side; as, a juxtaposition of words.

Parts that are united by a a mere juxtaposition.
--Glanvill.

Juxtaposition is a very unsafe criterion of continuity.
--Hare.