protoactinium
[ proh-toh-ak-tin-ee-uh m ]
/ ˌproʊ toʊ ækˈtɪn i əm /
noun Chemistry.
Words nearby protoactinium
proto-germanic,
proto-indo-european,
proto-ionic,
proto-norse,
proto-oncogene,
protoactinium,
protoavis,
protocal,
protochordate,
protocol,
protocols