alkalinous
/ˈalkəlʌɪnəs/Chemistry rare
adjective
= alkaline; specifically (in later use) designating the alkali metals and alkaline earth metals collectively.
Origin
Mid 18th century; earliest use found in Benjamin Martin (bap. 1705, d. 1782), lecturer on science and maker of scientific instruments. From post-classical Latin alcalinus + -ous.