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adjective | noun | to phrases
carboniferous system adj.
earth.sc. karbon
 English thesaurus
Carboniferous ['kɑ:bə'nɪf(ə)rəs] n
geol. Carbon (MichaelBurov); Carb (MichaelBurov)
Carboniferous ['kɑ:bə'nɪf(ə)rəs] adj.
geol. Carbon (MichaelBurov); Carb (MichaelBurov)
Carboniferous: 4 phrases in 1 subject
Earth sciences4