noun (n)

• unit of solar radiation

  unit solar radiasi

  source: wordnet30
• United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)

  amerika syarikat dan penerbangan astronom perintis siapa yang menemukan bolometer dan memberikan sumbangan desain awal pesawat (1834-1906)

  Synonym:
  samuel pierpoint langley
  

  source: wordnet30