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

Belonging to a thing by its very nature; true; not affected by external factors; → intrinsic brightness. Opposite to extrinsic.

Intrinsic, from M.Fr. intrinsèque "inner," from M.L. intrinsecus "interior, internal," from L. intrinsecus (adv.) "inwardly, on the inside," from intra "within" + secus "alongside," originally "following" (related to sequi "to follow").

Darungin, from darun "in, into; within" (Mid.Pers. andarôn "inside," from andar, → inter-, + rôn "side, direction;" Av. ravan- "(course of a) river") + -gin adj. suffix, contraction of âgin "filled."

The brightness of an object, such as a star, that is not affected by interstellar absorption and independent of distance.

→ intrinsic; → brightness.

A → color not affected by → extinction.

→ intrinsic; → color.

The energy per second emitted by an astronomical object.

→ intrinsic; → luminosity.

A pure semiconductor containing no → impurity atoms. → extrinsic semiconductor.

→ intrinsic; → semiconductor.

A variable star whose fluctuations in brightness are due to natural changes in the luminosity of the star itself, not by external causes, such as in → extrinsic variable stars.

→ intrinsic; → variable.