pentad

UK
/ˈpɛn.tæd/
US
/ˈpɛn.tæd/

Translations

pentadnoun
pentads
pl
UK
/ˈpɛn.tæd/
US
/ˈpɛn.tæd/
The scientist studied the pentad of elements in the periodic table.
Учёный изучал пентаду элементов в периодической таблице.
Synonyms
group of five
pentadadjective
more pentad
Comp.
most pentad
Super.
UK
/ˈpɛntæd/
US
/ˈpɛntæd/
Dated chemistry usage: describing an element of valence five.

Definitions

pentadnoun
A group or set of five.
The pentad of musicians performed a harmonious symphony.
A period of five years.
The company has seen significant growth over the last pentad.
Chemistry (dated): an element that has a valence of five.
In nineteenth-century texts, chlorine was sometimes listed as a pentad.
pentadadjective
Chemistry (dated): having a valence of five; pentavalent.
Chlorine was treated as pentad in early chemical classification schemes.