Fr.: nuage parent
Usually of a newborn star, the molecular cloud in which the star has formed.
Fr.: élément parent
A radioactive element that spontaneously decays into a new substance. The product of this decay is known as a "daughter" element.
Fr.: galaxie parente
Of a high redshift supernova, the galaxy in which the event has occurred.
Fr.: molécule parente
The molecule initially produced when a comet nucleus sublimates, soon changed to different daughter molecules because of solar radiation.
From M.L. transparentem (nominative transparens), pr.p. of transparere "to show through," from L. → trans- "through" + parere "to come in sight, appear."
Tarânemâ, from tarâ-, → trans-, + nemâ present stem of nemudan "to show" (Mid.Pers. nimūdan, nimây- "to show," from O.Pers./Av. ni- "down; into," → ni- (PIE), + māy- "to measure;" cf. Skt. mati "measures," matra- "measure;" Gk. metron "measure;" L. metrum; PIE base *me- "to measure").