Word: attobarns
Part of speech: Noun
Syllables: a
tto
barns
Definition: Plural of attobarn. A unit of surface area equal to 10-18 barns.
Morphemes:
Affix: atto-
Language: en
PoS: Prefix
Meaning: In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−18. Symbol: a
Affix: barn
Language: en
PoS: Noun
Meaning: A unit of surface area equal to 10−28 square metres.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).