PENTAGONAL

Pronunciation (US):

(GB):

 Dictionary entry overview: What does pentagonal mean? 

• PENTAGONAL (adjective)
  The adjective PENTAGONAL has 1 sense:

1. of or relating to or shaped like a pentagon

  Familiarity information: PENTAGONAL used as an adjective is very rare.

 Dictionary entry details 

• PENTAGONAL (adjective)

Sense 1

Meaning:

Of or relating to or shaped like a pentagon

Classified under:

Relational adjectives (pertainyms)

Synonyms:

pentagonal; pentangular

Pertainym:

pentagon (a five-sided polygon)

 Context examples 

With each flyby, the data reinforced the idea that five windstorms were swirling in a pentagonal pattern around a central storm at the south pole and that the system seemed stable.

(NASA's Juno Navigators Enable Jupiter Cyclone Discovery, NASA)

In an EF-hand loop the calcium ion is coordinated in a pentagonal bipyramidal configuration.

(Calcium-Binding Domain, NCI Thesaurus)

Ca2+ interacts with loop residues in a pentagonal bipyramidal configuration; each loop residue is important for Ca2+ coordination.

(EF-Hand Domain, NCI Thesaurus)

Calcium Binding Proteins typically belong to the same evolutionary family and often share an EF-hand calcium-binding domain that consists of a 12 residue loop flanked on both sides by a 12 residue alpha-helical domain; the calcium ion is coordinated with oxygen of Glu or Asp residues in a pentagonal bipyramidal configuration.

(Calcium Binding Protein, NCI Thesaurus)