¹ *Source: wiktionary.com*

### Definition of Octads

**1.** octad [n] - See also: octad

### Octads Pictures

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### Lexicographical Neighbors of Octads

### Literary usage of Octads

Below you will find example usage of this term as found in modern and/or classical literature:

**1.** *Kummer's Quartic Surface* by Ronald William Henry Turnbull Hudson, Henry Frederick Baker (1905)

"PAIRS AND **octads**. There are fifteen subgroups of two members each. Any one of
these corresponds to a pair of nodes of which one is (dd) and gives rise to a ..."**2.** *The Philosophy of Arithmetic: Exhibiting a Progressive View of the Theory* by John Leslie (1820)

"... which proceeds by successive eights or **octads**, the original number would leave
six counters on the first bar, and throw ten to the next; ..."**3.** *The Works of Archimedes* by Archimedes (1897)

"**octads**. Consider the series of terms in continued proportion of which the first
is 1 and ... We can, in the same way, place any number of **octads**. Theorem. ..."**4.** *Quaternions and Projective Geometry* by Charles Jasper Joly (1903)

"... of **octads**, and its order is consequently 24, or six times that of the Jacobian,
because the quartic cuts it in a hexad for every point of intersection ..."**5.** *The Catholic Encyclopedia: An International Work of Reference on the* by Charles George Herbermann, Edward Aloysius Pace, Condé Bénoist Pallen, Thomas Joseph Shahan, John Joseph Wynne (1913)

"... heptads, and **octads**, designating valencies of three, four, five, six, seven,
and eight respectively. ..."**6.** *Biological Bulletin* by Marine Biological Laboratory (Woods Hole, Mass.) (1916)

"4), indicating that the chromosomes of the first maturation spindle are really
di-tetrads, or **octads**, due to the presence of a ..."