WordWeb Online

1. A radioactive transuranic element
   - darmstadtium, element 110, atomic number 110

1. An honorary degree in science
   - Doctor of Science, ScD
    
2. The bureau in the State Department that is responsible for the security of diplomats and embassies overseas
   - Bureau of Diplomatic Security

1. The 4th letter of the Roman alphabet
   - D

1. A fat-soluble vitamin that prevents rickets
   - vitamin D, calciferol, viosterol, ergocalciferol, cholecalciferol
    
2. The cardinal number that is the product of one hundred and five
   - five hundred, 500

Type of: agency, alphabetic character, authority, bureau, chemical element, element, fat-soluble vitamin, federal agency, government agency, honorary degree, honoris causa, large integer, letter, letter of the alphabet, office

Part of: Department of State, DoS, Latin alphabet, Roman alphabet, State, State Department, United States Department of State

Encyclopedia: D D,l-Isoleucine