trans

Definition

In (or constituting, forming, or describing) a double bond in which the greater radical on both ends is on the opposite side of the bond.

Etymology

Borrowed from Latin trāns (“on the other side of”). Doublet of très.

Example Sentences

• "A series of one electron shifts in this complex establish a new trans double bond at carbon ll which transfers the hydrogen to oxygen, forming the hydroperoxide and liberating the enzyme."
• "A cis double bond is one where the hydrogen atoms are both on the same side. In contrast, a trans double bond has them on the opposite side."
• "The trans effect is the labilization of ligands which are trans to certain other ligands."