| 单词 | heptad |
| 释义 | heptad (once / 738707 pages) n WORD FAMILY heptad: heptads USAGE EXAMPLES“Seven, or the heptad, is a number very powerful for good or for evil. Baring-Gould, S. (Sabine), Curious Myths of the Middle Ages(2011) Heptad, a term in chemistry to denote an atom that is the equivalent of seven atoms of hydrogen, from hepta, seven. Nuttall, P. Austin, The Nuttall Encyclopædia—Being a C...(2010) Colours may best be expressed by a heptad, the largest possible formula for things finite, as the pentad is the smallest possible form. Coleridge, Henry Nelson, Specimens of the Table Talk of Samu...(2010) n the cardinal number that is the sum of six and one Syn|Hyper 7, VII, septenary, septet, seven, sevener digit, figure one of the elements that collectively form a system of numeration |
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