What does dehydrogenizing mean?
Dehydrogenizing is the present participle and gerund of the verb dehydrogenize, meaning to remove hydrogen atoms from a chemical compound. The process lies at the heart of much modern industrial and biological chemistry: petrochemical plants dehydrogenize hydrocarbons such as propane and ethylbenzene to create more valuable building blocks like propylene and styrene, while living cells carry out countless similar reactions using enzymes called dehydrogenases, as when the liver converts ethanol into acetaldehyde. Because removing hydrogen typically creates double bonds, dehydrogenizing makes molecules more unsaturated and more chemically reactive. It is essentially the opposite of hydrogenation, which adds hydrogen instead. The word belongs firmly to technical registers — textbooks, patents, and laboratory reports — rather than everyday speech. Writers who need a noun generally prefer dehydrogenation, reserving dehydrogenizing for describing the ongoing action. Understanding the term offers a window into how both industry and biology transform simple molecules into more useful ones.
verb (present participle and gerund of dehydrogenize)The act or process of removing hydrogen from a chemical substance, typically to produce a more saturated or reactive compound; used as the present participle or gerund of the verb dehydrogenize.
- (chemistry) Present participle/gerund of dehydrogenize: removing hydrogen atoms from a compound, often catalytically, to form a less saturated product.
- (biochemistry) Removing hydrogen in metabolic reactions, typically mediated by dehydrogenase enzymes.
"The refinery improved efficiency by dehydrogenizing propane to yield propylene."
"By carefully dehydrogenizing ethylbenzene over an iron oxide catalyst, the plant produced styrene for polymer manufacture."
"The liver handles alcohol metabolism by dehydrogenizing ethanol into acetaldehyde with the enzyme alcohol dehydrogenase."
Dehydrogenizing is how ordinary propane becomes the propylene that ends up in plastics — chemistry's way of upgrading one molecule by stripping it down.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of dehydrogenizing
Dehydrogenizing derives from the verb dehydrogenize, formed in the nineteenth century from the prefix de- (indicating removal), the Greek-derived element hydro- (from hydōr, water, applied here via 'hydrogen', literally 'water-former'), and the Greek root gen- combined with the verb-forming suffix -ize. The term arose within the developing vocabulary of nineteenth-century organic chemistry, alongside sibling formations such as dehydrate and hydrogenate. Its biochemical sense grew with the discovery of dehydrogenase enzymes in the early twentieth century.
Related word forms
How dehydrogenizing is actually used
Strictly technical vocabulary used in organic chemistry, petrochemical engineering, and biochemistry. In formal writing, the noun 'dehydrogenation' is usually preferred when naming the process itself, while 'dehydrogenizing' suits active or continuous constructions. British spelling may occasionally appear as 'dehydrogenising'.
Easily confused with dehydrogenizing
Dehydrating removes water (H₂O) from a substance, whereas dehydrogenizing removes only hydrogen atoms.