Antiport

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A structure in a cell membrane that simultaneously transports different molecules or ions through the membrane in opposite directions.
  2. 2
    Obsolete form of anteport. alt-of, obsolete

    "[T]he Viſier and Solyman Aga went to the Chamber where the King ſlept, and lifting up the Antiport, made a ſign of ſilence to the Ladies of the Guard , commanding by dumb motions that the Young Queen ſhould be awakened […]"

Verb
  1. 1
    To simultaneously transport different molecules or ions through a cell membrane in opposite directions.

Example

More examples

"[T]he Viſier and Solyman Aga went to the Chamber where the King ſlept, and lifting up the Antiport, made a ſign of ſilence to the Ladies of the Guard , commanding by dumb motions that the Young Queen ſhould be awakened […]"

Etymology

Etymology 1

From anti- + port.

Etymology 2

From Italian antiporta. By surface analysis, anti- (“before”) + port (“entryway”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.