quinquevalent

[kwing-kwuh-vey-luhnt, kwin-, kwin-kwev-uh-luhnt, kwing-]

adjective

Chemistry.

1. pentavalent.

2. exhibiting five valences, as phosphorus with valences 5, 4, 3, 1, and −3.

quinquevalent

/ ˌkwɪŋkwɪˈveɪləns, kwɪnˈkwɛvələns, ˌkwɪŋkwɪˈveɪlənt, kwɪnˈkwɛvələnt /

adjective

1. chem another word for pentavalent

Other Word Forms

• quinquevalency noun
• quinquevalence noun

Word History and Origins

Origin of quinquevalent¹

First recorded in 1875–80; quinque- + -valent