IPA: /rʌˈbɪdɪk/
KK: /rʌˈbɪdɪk/
Relating to a chemical element called rubidium, or containing rubidium.
The rubidic compounds are used in various scientific applications.
Rubidic is derived from the Latin word "rubidus" (meaning red), which is related to "ruber" (meaning red). The suffix "-ic" (meaning pertaining to) is added to form an adjective. Thus, rubidic refers to something that is red or has a reddish quality.
Think of the Latin word for red, 'rubidus', to remember that 'rubidic' describes something that is related to or has a reddish color.