trans-

Prefix

trans-

1. Extending across, through, or over.
   • trans- + national → transnational
   • trans- + regional → transregional

   Synonyms:

   dia-, para-, per-

2. To or on the other side of, beyond; outside of.
   • trans- + alpine → transalpine
   • trans- + uranic → transuranic

   Synonyms:

   para-, hyper-, ultra-, out-, extra-, preter-, ex-, ecto-

3. (physical) A compound in which two atoms or groups are situated on opposite sides of some plane of symmetry passing through the compound. (Also used without the hyphen as an adjective; see trans.)
   • transacetylase, tranexamic acid, transaldolase

   Synonyms:

   x-

4. Transgender or transsexual, or pertaining to those who are transgender or transsexual.
   • transmasculine, transfeminist, transphobia
   • For quotations using this term, see Citations:trans-.