An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : fossil
fossil
  سنگواره   
sangvâré (#)

Fr.: fossile   

A relic, remnant, or representation of an organism that existed in a past geological age.

From Fr. fossile, from L. fossilis "dug up," from fossus, p.p. of fodere "to dig."

Sangâré literally "resembling stone," from sang, → stone, + -vâré, from -vâr, → -oid.

fossil magnetic field
  میدان ِ مغناتیسی ِ سنگواره، ~ ~ سنگواره‌ای   
meydân-e meqnâtisi-ye sangvâré, ~ ~ sangvâre-yi

Fr.: champ magnétique fossile   

In a physical system, the → magnetic field belonging to an earlier magnetic process or event. A fossil magnetic field may be a vanished one or exist in relic forms. As an example, the solar magnetic field, which was present during the formation of the Sun, has disappeared over the last 4.6 billions years.

fossil;→ magnetic; → field;