### Definition of Octads

1. Noun. (plural of octad) ¹

¹ Source: wiktionary.com

### Definition of Octads

Click the following link to bring up a new window with an automated collection of images related to the term: Octads Images

### 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 ..."