1) Being an original or primary source.
L.L. fundamentalis "of the foundation," from L. fundamentum "foundation," from fundare "to found."
Bonyâdin, adj. of bonyâd "foundation, basis," from *bondâd (Mid.Pers. bune dâtak "foundation, basis"), from bon "basis; root; foundation; bottom" (Mid.Pers. bun "root; foundation; beginning," Av. būna- "base, depth," cf. Skt. bundha-, budhná- "base, bottom," Pali bunda- "root of tree") + dâd "given," from dâdan "to give" (Mid.Pers. dâdan "to give," O.Pers./Av. dā- "to give, grant, yield," dadāiti "he gives;" Skt. dadáti "he gives," Gk. didomi "I give," tithenai "to put, set, place;" L. dare "to give, offer;" Rus. delat "to do;" O.H.G. tuon, Ger. tun, O.E. don "to do").
pâyâ-ye bonyâdin (#)
Fr.: constante fondamentale
A physical constant that cannot be expressed in terms of other constants of nature, such as the charge of the electron.
niru-ye bonyâdin (#)
Fr.: force fondamentale
Same as the → fundamental interaction.
basâmad-e bonyâdin (#)
Fr.: fréquence fondamentale
The lowest frequency in a complex wave.
Fr.: interaction fondamentale
Any of the four interactions in nature between bodies of matter and that are mediated by one or more particles. Also called the → fundamental force. In order of decreasing strength, the four fundamental interactions are the → strong interaction, the → electromagnetic interaction, the → weak interaction, and the → gravitational interaction.
zarre-ye bonyâdin (#)
Fr.: particule élémentaire
Same as → elementary particle.
Fr.: étoile fondamentale
A relatively bright star for which coordinates and proper motion have been determined to a very high degree of accuracy.