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

1a) A command or order.
1b) → imperative case.
2a) Absolutely necessary or required; extremely important.
2b) Of the nature of or expressing a command; commanding.

From L.L. imperativus "pertaining to a command," from imperat-, p.p. stem of → imperare "to command."

Parmât, noun from present stem of parmâtidan, → imperare; parmâtii, adj. from parmât.

The grammatical mood of a verb that expresses a command or a request, as in close the door!.

→ imperative; → case.

In an imperative manner.

Adverb from → imperative; → -ly.

Not perfect; faulty or incomplete.

→ in-; → perfect.

A fault, flaw, or undesirable feature; the state or condition of being imperfect.

→ in-; → perfection.

Of, relating to, or suggestive of an empire or a sovereign, especially an emperor or empress (TheFreeDictionary).

Adjective of → empire.

1) The extension of a nation's authority by territorial acquisition or by the establishment of economic and political dominance over other nations.
2) A political doctrine or system promoting such extension of authority (TheFreeDictionary.com).

→ imperial; → -ism.

1) General: Something implied; the act of implying.
2) A statement that follows from other given statements. For ex., an implication of x = -1 is that x² = 1.
3) A proposition found from two given propositions by connecting them in the form "If ..., then ...". The first statement is the antecedent (or hypothesis) and the second the consequent (or conclusion).

From L. implicationem "interweaving, entanglement," from implicatus, p.p. of implicare "involve, entangle, connect closely," from → in- "in" + plicare "to fold," → explain.

Dartâheš, verbal noun of dartâhidan "to imply," from dar-, → in- + tâhidan "to fold, ply," → explain.

1) General: Implied, rather than expressly stated.
2) Math.: → implicit function.

From L. implicitus, variant of implicatus, p.p. of implicare, → implication.

Dartâhi, from dartâh present stem of dartâhidan, → implication, + -y adj. suffix.

A function which contains two or more variables that are not independent of each other. An implicit function of x and y is one of the form f(x,y) = 0, e.g., 4x + y² - 9 = 0. See also → explicit function.

→ implicit; → function.

To collapse, or cause to → collapse, inward → violently. Opposite of → explode.

Implode, from → in- + (ex)plode, from L. plaudere "to clap, beat," of uncertain origin.

Forukaftidan, from foru- "down, downward; below; beneath" (Mid.Pers. frôt "down, downward;" O.Pers. fravata "forward, downward;" cf. Skt. pravát- "a sloping path, the slope of a mountain") + kaftidan "to burst; to split," variants kaftan, kâftan "to split; to dig," (Parthian Mid.Pers. q'f- "to split;" Sogdian kβ "to spli;" Chorasmian kf- "to split, be split;" Proto-Iranian *kap-, *kaf- "to split").

A violent inward collapse; the act of imploding; opposed to → explosion.

Verbal noun of → implode.

1) To involve or indicate by inference, association, or necessary consequence rather than by direct statement .
2) To contain potentially.
3) To express indirectly (Merriam-Webster.com).

Infinitive of → implication.

1a) To bring in (merchandise, commodities, workers, etc.) from a foreign country for use, sale, processing, reexport, or services.
1b) Computers: To bring (documents, data, etc.) into one software program from another.
2) The act of importing or bringing; something that is imported (Dictionary.com).

From im-, variant of → in- + port, → export.

Of great significance or effect.

From M.Fr. important, from M.L. importantem, from importare "be significant in," from importare "bring in," → in- "into, in" + portare "to carry."

Garin, on the model of Kurd. giring "important," related to girân, gerân "heavy, important;" Mid.Pers. garân, Proto-Ir. stem *garu-; cf. Av. gouru-; Skt. guru- "heavy, important, venerable;" L. gravis "weighty, serious, heavy," → gravity.

1) To lay on or set as something to be borne, endured, obeyed, fulfilled, paid, etc.
2) To put or set by or as if by authority (Dictionary.com).

M.E., from O.Fr. imposer "put, place; impute, charge, accuse," from → in- "into, in" + poser "put, place," → position.

Barnehâdan, literally "to place on, upon," from bar-, → on-, + nehâdan "to put, place," → compose.

Very impressive because of great size, stately appearance, dignity, elegance, etc. (Dictionary.com).

→ impose; → -ing.

1) The laying on of something as a burden or obligation.
2) Something imposed, as a burden or duty; an unusual or extraordinarily burdensome requirement or task.
3) The act of imposing by or as if by authority (Dictionary.com).

→ impose; → -tion.

Not possible; unable to be, exist, happen. Unable to be done, performed, effected.

→ in-; → possible.

On who pretends to be what he is not.

M.Fr. imposteur, from L.L. impostor, agent noun from impostus, from imponere "to place upon, impose upon, deceive," from → in- "into, in, on, upon" + ponere "to put place," → position.

Daqalkâr, from daqal "imposture, deceit" + -kâr, agent noun suffix, from kardan, → -or.