attoparsec
English
Etymology
From
atto-
+
parsec
.
Noun
attoparsec
(
plural
attoparsecs
)
(
metrology
,
usually
humorous
)
A
unit of measure
of 10
−18
parsecs
, or about 3.085
centimetres
(1.215
inches
).
References
Usenet newsgroups:
[1]