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

Characterized by, or showing deference or respect.

From → respect + -ful, from O.E. -full, ful, → full.

Sepâkâmiz, from sepâk, → respect, + âmiz "mingled with," from âmixtan, → mix.

Belonging or relating separately to each of two or more people or things that have been mentioned.

From M.E. respective "observing or noting with attention," from M.L. respectivus "having regard for," from L. respect-, → respect, + → -ive.

Sepâkvâr, from sepâk, → respect, + -vâr suffix of nuances and, as a variant of -bâr, meaning "turn (n.), a time."

(of two or more items) with each relating to something previously mentioned, in the same order as first mentioned (Dictionary.Cambridge.org).

→ respective; → -ly.

The act of responding; response.

→ respond; → -ence.

Pâsoxguyi, noun from pâsoxgu, → respondet.

1) A person who responds or makes reply.
2) Law: A defendant, especially in appellate and divorce proceedings (Dictionary.com).

Agent noun related to → respondence.

Pâsoxgu, from pâsox, → responce, + gu "speaker, teller," from goftan "to tell, speak, talk," → -logy.

The component of a radar system that returns the signals used to detect and locate objects.

Agent noun of respond, → response.

Pâsoxgu, from pâsox, → response, + gu agent noun and present stem of goftan "to say, speak, relate, tell; to compose a poem," from Mid.Pers. guftan "to say, tell, utter;" O.Pers. gaub- "to say."

Any → reaction of a → system to an external → stimulus. See also:
→ instrumental response function, → peripheral response, → response curve, → response time, → spectral response.

From L. responsum "answer," noun use of neuter p.p. of respondere "answer to, promise in return," from → re- "back" + spondere "to pledge."

Pâsox "answer, response;" Mid.Pers. pâssox "answer, reply;" loaned in Arm. patasxani "answer;" Proto-Iranian *pati-sanh-, from *pati- "agaist, back, opposite to, toward, face to face, in front of," → anti-, + *sanh- "to declare, say;" Mod.Pers. soxan "speech, utterance, word," → speech.

A curve graphically representing the magnitude of the → response of a → detector to → radiation, usually as a function of → wavelength.

→ response; → curve.

The time between an occurrence and a reaction produced by the occurrence.

→ response; → time.

1) The state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
2) An instance of being responsible.
3) A person or thing for which one is responsible (Dictionary.com).

→ responsible; → -ity.

1) Answerable or accountable, as for something within one's power, control, or management.
2) Involving accountability or responsibility (Dictionary.com).

→ response; → -able.

1) Responding especially readily and sympathetically to appeals, efforts, influences, etc.
2) Physiology: Acting in response, as to some stimulus.
3) Characterized by the use of responses (Dictionary.com).

→ response; → -ive.

A performance criterion for an electronic detector, the ratio of the detector's electrical output to its optical input.

→ responsive; → -ity.

Cessation or absence of motion. → rest energy; → rest mass.

M.E.; O.E. ræste, reste "rest, bed, intermission of labor, mental peace," akin to O.H.G. rasta "league of miles," O.N. rost "league, distance after which one rests."

Âram, variant of ârâm "rest, quiet, tranquility;" Mid.Pers. râm "peace," râmenidan "to give peace, pleasure," râmišn "peace, pleasure;" Av. ram- "to stay, rest;" cf. Skt. ram- "to stop, stand still, rest, become appeased;" Gk. erema "quietly, gently;" Goth. rimis "rest;" Lith. rãmas "rest."

The energy which a particle has when it is at rest. According to Einstein's → mass-energy relation, it is equal to the → rest mass times the square of the → speed of light: E = mc².

→ rest; → energy.

The → frame of reference with respect to which an object or observer is at rest. A clock in that particular rest frame registers what is by definition → proper time. See also → moving frame.

→ rest; → frame.

The → inertial mass that an object has when it is at rest relative to an observer.

→ rest; → mass.

Same as → rest energy.

→ rest; → mass; → energy.

The act or process of restoring such as → image restoration.

Verbal noun of → restore.

1) To bring back into existence, use, or the like; reestablish.
2) To bring back to a former, original, or normal condition, as a building, statue, or painting (Dictionary.com).

M.E., from O.Fr. restorer, from L. restaurare "repair, rebuild, renew," from → re- "back, again" + -staurare, from PIE root *sta- "to stand, set down, make or be firm," → state.

Bâzsâxtan, from bâz- "back, again," → re-, + sâxtan "to build, make, fashion; to adapt, adjust, be fit" (from Mid.Pers. sâxtan, sâz-, Manichean Parthian s'c'dn "to prepare, to form;" Av. sak- "to understand, to mark," sâcaya- (causative) "to teach").
Bâzgardândan, from bâz-+ gardândan "to turn (around)," accusative of gardidan, gaštan "to change, to turn, → revolve."