Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
pentaoxolane
Language
Watch
Edit
English
edit
Etymology
edit
penta-
+
oxolane
?
Noun
edit
pentaoxolane
(
uncountable
)
(
inorganic chemistry
)
The unstable
allotrope
of
oxygen
(O
5
) composed of a ring of five atoms