lanthanide series(n = noun.substance) - the rare-earth elements with atomic numbers 57 through 71; having properties similar to lanthanum;
is a kind of series

actinide series, alkane series, electrochemical series, electromotive force series, electromotive series, exponential series, fourier series, geometric series, gi series, in series, lanthanide, methane series, ordered series, paraffin series, power series, series, series circuit, series dynamo, series motor, series turns, series winding, time series, world series