An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : conserve
conserve
  پاییدن   
pâyidan

Fr.: conserver   

1) General: To keep or protect from harm, decay, or destruction.
2) Physics, chemistry: To maintain a quantity constant during an interaction or process of evolutionary change. → conservation law.

M.E., from O.Fr. conserver, from L. conservare "to keep, preserve, guard," from → com- + servare "keep, watch, maintain," → observe.

Pâyidan "to watch, observe, look steadily," variants pâsidan, pâhidan; Mid.Pers. pây- "to protect, guard;" Sogdian p'y "to observe, protect, watch over;" O.Pers. pā- "to protect," pāta- "protected;" Av. pā- "to protect," pāti "guards," nipā(y)- (with ni-) "to watch, observe, guard," nipātar- "protector, watcher," nipāθri- "protectress;" cf. Skt. pā- "to protect, keep," tanû.pā- "protecting the body," paś.pā- "shepherd;" Gk. poma "lid, cover," poimen "shepherd;" L. pascere "to put out to graze," pastor "shepherd;" Lith. piemuo "shepherd;" PIE base *pā- "to protect, feed."

conserved quantity
  چندی ِ پاینده   
candi-ye pâyandé

Fr.: quantité conservée   

A quantity that remains constant when its corresponding physical system undergoes a transformation.

conservequantity.