femtophotography
名词 n.
英文释义
名词 n.
- A method of photography using sub-picosecond pulses of light (usually around 10⁻¹³ seconds, or 100 femtoseconds, long) to illuminate the subject of the photograph, allowing the propagation of the light pulse to be viewed directly.
词形变化
词源
Etymology tree
Proto-Indo-European *pénkʷe
Proto-Germanic *fimf
Proto-Indo-European *déḱm̥
Proto-Germanic *tehun
Proto-Germanic *fimftehun
Old Norse fimmtánder.
Danish femtender.
English femto-
Proto-Indo-European *bʰeh₂-
Proto-Indo-European *bʰéh₂os
Proto-Hellenic *pʰáwos
Ancient Greek φᾰ́ος (phắos)
Ancient Greek φῶς (phôs)
Ancient Greek φωτο- (phōto-)
Proto-Indo-European *gerbʰ-
Proto-Hellenic *grə́pʰō
Ancient Greek γρᾰ́φω (grắphō)
French photographiebor.
English photography
English femtophotography
From femto- + photography, from the ~100-femtosecond-long pulses of light used.
Proto-Indo-European *pénkʷe
Proto-Germanic *fimf
Proto-Indo-European *déḱm̥
Proto-Germanic *tehun
Proto-Germanic *fimftehun
Old Norse fimmtánder.
Danish femtender.
English femto-
Proto-Indo-European *bʰeh₂-
Proto-Indo-European *bʰéh₂os
Proto-Hellenic *pʰáwos
Ancient Greek φᾰ́ος (phắos)
Ancient Greek φῶς (phôs)
Ancient Greek φωτο- (phōto-)
Proto-Indo-European *gerbʰ-
Proto-Hellenic *grə́pʰō
Ancient Greek γρᾰ́φω (grắphō)
French photographiebor.
English photography
English femtophotography
From femto- + photography, from the ~100-femtosecond-long pulses of light used.
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数据来源: Wiktionary