As adjectives the difference between potable and optable
is that potable is good for drinking without fear of poisoning or disease while optable is (obsolete) that may be chosen; desirable.
As a noun potable
is any drinkable liquid; a beverage.
potable
English
Adjective
(
en adjective)
Good for drinking without fear of poisoning or disease.
Synonyms
* (good for drinking) drinkable, drinkworthy
Derived terms
* potable gold
Coordinate terms
* edible, eatable, eatworthy, comestible
Noun
(
en noun)
Any drinkable liquid; a beverage.
- Useful in potables . — J. Philips.
See also
* (l)
----