pentavalent

[ pen-tuh-vey-luhnt, pen-tav-uh- ]

adjective

, Chemistry.

1. having a valence of 5:

   pentavalent arsenic.

2. quinquevalent ( def 2 ).

pentavalent

/ ˌpɛntəˈveɪlənt /

adjective

1. chem having a valency of five Alsoquinquevalent

Word History and Origins

Origin of pentavalent¹

First recorded in 1870–75; penta- + -valent

Example Sentences

Similarly, we have trivalent, tetravalent, pentavalent elements.

From Project Gutenberg