Origin of hexa-
Words nearby hexa-
WORDS THAT USE HEXA-
What does hexa- mean?
Hexa- is a combining form used like a prefix meaning “six.” It is used in a great many scientific and other technical terms.
In chemistry, hexa- is specifically used to indicate six atoms or six groups of atoms in compounds, e.g., hexachloride.
Hexa- comes from the Greek héx, meaning “six.” The Latin for “six” is sex, source of the combining forms sex- and sexi-, which you can learn more about at our Words That Use articles for the terms. And we know what you’re thinking: the Latin sex has no relation to that common English meaning of sex.
What are variants of hexa-?
When combined with words or word elements that begin with a vowel, hexa- becomes hex-, as in hexose.
Examples of hexa-
A hexagon is “a polygon having six angles and six sides.” It’s also known as a nonagon.
The first part of the word, hexa-, means “six.” The -gon portion of the word may also look familiar: it is a combining form meaning “angled” or “angular,” from the Greek gōnía. Hexagon literally translates to “six-angled.”
Hexagon comes from the Greek hexágōnon, which features the equivalent form of hexa– in the language.
What are some words that use the combining form hexa- or hex-?
Hex, meaning “to bewitch” among other senses, doesn’t share a root with the combining form hexa- or hex-. Discover the witchy roots of hex at our entry for the word.
Break it down!
The combining form -hedron means “face,” in the sense of a face of a geometrical solid figure, e.g., a pyramid has four faces. How many faces does a hexahedron have? Bonus: what’s another, more familiar name for a hexahedron?
How to use hexa- in a sentence
Hexa-ethyl tetraphosphate, known in the trade as "Killex 100," was used effectually twice as a spray.Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting|Northern Nut Growers Association
Another of these substances is ellagic acid C14H6O8, a double lactone of a hexa-hydroxy-diphenyldicarboxylic acid.Animal Proteins|Hugh Garner Bennett
Formin—or, if you insist upon its full name, hexa-methylene-tetramine—is a sugar-like substance with a fish-like smell.Creative Chemistry|Edwin E. Slosson