lantanidă Noun, f, lantanidă lanthanide Appox. usage (any sense): 0.024 per million words Appox. usage (any sense): 0.024 per million words
lantanid Noun, n, lantanid lanthanide Appox. usage (any sense): 0.021 per million words Appox. usage (any sense): 0.021 per million words