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  1. Oxford Dictionary

    Townes, Charles Hard

    • IPA[taʊnz]

    英式

    • ph.
      (1915–2015), American physicist. His development of microwave oscillators and amplifiers led to his invention of the maser in 1954. Townes later showed that an optical maser (a laser) was possible, though the first working laser was constructed by others. Nobel Prize for Physics (1964).
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    Townes, Charles Hard

    • IPA[tounz]

    美式

    • ph.
      (1915–2015), US physicist. His development of microwave oscillators and amplifiers led to his ...

    Oxford American Dictionary