ScienceAugust 17, 2026
semihydrogenation
SEM-ee-hy-druh-juh-NAY-shun
Definition
A chemical reaction that involves the partial addition of hydrogen to a molecule, often used to convert alkynes into alkenes.
Etymology
The term is composed of the prefix 'semi-' from the Latin word for 'half' and the chemical term 'hydrogenation', which describes the addition of hydrogen to a compound.
In the news
In this article, the researchers focus on the process of acetylene semihydrogenation, aiming to improve how effectively a catalyst site manages both speed and selectivity during this chemical transformation.
Author Correction: Breaking the activity-selectivity trade-off for acetylene semihydrogenation by Pd2 dual-atom site
Read the full article ↗Nature