Home
Random
Log in
Settings
Donations
About Wiktionary
Disclaimers
Search
prisoptometer
Language
Watch
Edit
English
edit
Noun
edit
prisoptometer
(
plural
prisoptometers
)
(
historical
)
A
device
containing a
double
prism
, used to
measure
refraction
and thus diagnose
anomalies
in a patient's
vision
.
Categories
:
English lemmas
English nouns
English countable nouns
English terms with historical senses
English terms suffixed with -meter
Hidden category:
English entries with language name categories using raw markup