Yahoo Web Search

Sign In

Search results

  1. Dictionary
    zero hour
    /ˈzɪərəʊ ˌaʊə/

    noun

    • 1. the time at which a planned operation, typically a military one, is set to begin.

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

  2. en.wikipedia.org › wiki › Atomic_clockAtomic clock - Wikipedia

    1 day ago · Time standards. An atomic clock is based on a system of atoms which may be in one of two possible energy states. A group of atoms in one state is prepared, then subjected to microwave radiation. If the radiation is of the correct frequency, a number of atoms will transition to the other energy state.

  3. en.wikipedia.org › wiki › International_Labour_OrganizationInternational Labour Organization - Wikipedia

    1 day ago · The International Labour Organization ( ILO) is a United Nations agency whose mandate is to advance social and economic justice by setting international labour standards. [1] Founded in October 1919 under the League of Nations, it is one of the first and oldest specialised agencies of the UN. The ILO has 187 member states: 186 out of 193 UN ...