Word Study
Immensurable
CIDE DICTIONARY
Immensurable, a. [Pref. im- not + L. mensurabilis measurable: cf. F. immensurable. Cf. Immeasurable.].
Immeasurable. [1913 Webster]
"What an immensurable space is the firmament." [1913 Webster]
For further exploring for "Immensurable" in Webster Dictionary Online