Term: purine: a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: quoratean: a group of languages of the Hokan family
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: feudalism: the social system that developed in Europe in the 8th century; vassals were protected by lords who they had to serve in war
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: mosquitofish: silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: inappropriateness: the quality of being not particularly suitable or befitting
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: frasera: genus of North American herbs: columbo; includes some species sometimes placed in genus Swertia
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: tense: a grammatical category of verbs used to express distinctions of time
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: visual space: the visual perception of space
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: indexing: the act of classifying and providing an index in order to make items easier to retrieve
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: overtone: a harmonic with a frequency that is a multiple of the fundamental frequency
Broader: base: any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water | Unrelated: billabong: a stagnant pool of water in the bed of a stream that flows intermittently