from The American Heritage® Dictionary of the English Language, 4th Edition
- Across; on the other side; beyond: transpolar.
- Through: transcontinental.
- Change; transfer: transliterate.
- Having a pair of identical atoms on opposite sides of two atoms linked by a double bond. Used of a geometric isomer: trans-butene.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Across, through, over, beyond, to or on the other side of, outside of.
- Describing a compound in which two atoms or groups are situated on opposite sides of some plane of symmetry passing through the compound.
from the GNU version of the Collaborative International Dictionary of English
- A prefix, signifying over, beyond, through and through, on the other side, as in transalpine, beyond the Alps; transform, to form through and through, that is, anew, transfigure.
from The Century Dictionary and Cyclopedia
- n. A combining-form used, in organic chemistry, to indicate that two radicals are on opposite sides of the plane of union of two carbon atoms, or on opposite sides of the plane of the ring in a cyclic compound. It is, therefore, complementary to cis-. Thus maleic acid is a cis-derivative, and fumaric acid a trans-compound
- n. A prefix of Latin origin, meaning ‘across, over, beyond, on the other side of, through,’ as in transfer, ‘carry over,’ transfuse, ‘pour over,’ transgress, ‘pass beyond,’ etc., transalpine, ‘beyond the Alps,’ etc. (in the last use opposed to cis-).
- n. An abbreviation of transactions, translated or translator, transpose, transitive, etc.
From Latin trāns-, from trāns, across, beyond, through.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin trāns ("across, on the far side, beyond"). (Wiktionary)