411 REFERENCE · Wiktionary
-cosa-
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en -cos- prevocalic
Etymology
en icosa- 1
From en icosa-, itself from words like en icosagon and en icosahedron, which ultimately derive from en grc εἴκοσι.
Infix
en infix
en IUPAC Combines with the prefixes for 1–9 to form complex prefixes referring to 21–29.
Coordinate terms
en -conta- forms prefixes referring to the decads
Derived terms
en
en docosa-
en tricosa-
en tetracosa-