heliography

名词 n.
中文释义

英文释义

名词 n.
  1. The scientific study of the sun. uncountable
  2. The art of making a heliograph. uncountable
  3. The system of signalling by heliograph. uncountable
  4. Photography. obsolete,uncountable

词汇关系

衍生词
heliographical photoheliography

词源

From helio- + -graphy.
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