dehydro-
American-
a combining form meaning “dehydrogenated,” used in the formation of compound words.
dehydrochlorinate.
Usage
What does dehydro- mean? Dehydro- is a combining form used like a prefix meaning “dehydrogenated.” Dehydrogenated is a term meaning "to remove hydrogen from (a compound)." It is occasionally used in scientific terms, especially in chemistry.Dehydro- comes from the word dehydrogenate. The prefix de- means "removal" or "separation." Hydrogenate means "to combine or treat with hydrogen." The first element in hydrogen, hydro-, derives from Greek hýdōr, meaning “water.” To learn more, check out our Words That Use article on the combining form hydro-.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.