hexad
Americannoun
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the number six.
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a group or series of six.
noun
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a group or series of six
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the number or sum of six
Other Word Forms
Derived Forms
Etymology
Origin of hexad
1650–60; < Late Latin hexad- (stem of hexas ) < Greek hexad- (stem of hexás ) unit of six, equivalent to héx six + -ad- -ad 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Six planes of symmetry of two kinds intersect in the hexad axis.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
Here there is a plane of symmetry perpendicular to the hexad axis; there is also a centre of symmetry.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
An element having a valence of one is a monad; of two, a dyad; three, a triad; four, tetrad; five, pentad; six, hexad, etc.
From An Introduction to Chemical Science by Williams, Rufus Phillips
Six dyad axes of two kinds are perpendicular to the hexad axis.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
No other element is here associated with the hexad axis, which is uniterminal.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various
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.
