depinisyon kahulugan
Browse Dictionary Definitions  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
doc Definition of atomic number 21
    English to English
    noun
  • a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite
  • source: WordNet 3.0
Nearby Word