pyridinium
/ˌpɪrɪˈdɪnɪəm/Chemistry
noun
A cation having the formula C5H6N+, consisting of a protonated pyridine molecule. Usually attributive or as a formative element in chemical names.
Origin
Late 19th century; earliest use found in Journal of the American Chemical Society. From pyridine + -ium.
- see one's way clear to do (or doing) something
- see (or tell or spot) something a mile off
- see (or think) fit
- see over
- seep
- seepage
- seer
- see red
- seersucker
- see-saw
- see sense (or reason)
- see service
- see someone coming
- see someone damned first
- see someone off
- see someone out
- see someone right
- see someone/thing out of (or from) the corner of one's eye
- see someone through
- see something coming
- see something of
- see something out
- see something through
- see stars
- seethe