agent (redirected from postganglionic sympathetic blocking agent)

a·gent  (jnt)

n.

1. One that acts or has the power or authority to act.

2. One empowered to act for or represent another: an author's agent; an insurance agent.

3. A means by which something is done or caused; instrument.

4. A force or substance that causes a change: a chemical agent; an infectious agent.

5. A representative or official of a government or administrative department of a government: an FBI agent.

6. A spy.

7. Linguistics The noun or noun phrase that specifies the person through whom or the means by which an action is effected.

v. a·gent·ed, a·gent·ing, a·gents

v.tr.

To act as an agent or representative for: Who will agent your next book?

v.intr.

To act as an agent or representative.

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[Middle English, from Latin agns, agent-, present participle of agere, to do; see ag- in Indo-European roots.]

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agent

Noun

1. a person who arranges business for other people, esp. for actors or singers

2. a spy

3. a substance which causes change in other substances: an emulsifying agent

4. someone or something which causes an effect: the agent of change

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agent  (jnt)

A substance that can bring about a chemical reaction or a biological effect. Compare reagent.

Thesaurus

Noun	1.	agent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" causal agency, causal agent, cause - any entity that produces an effect or is responsible for events or results pressor, vasoconstrictive, vasoconstrictor - any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure biological agent, biohazard - any bacterium or virus or toxin that could be used in biological warfare eliminator - an agent that eliminates something impairer - an agent that impairs; "crops can be great impairers of the soil" infectious agent, infective agent - an agent capable of producing infection lethal agent - an agent capable of causing death motor - a nonspecific agent that imparts motion; "happiness is the aim of all men and the motor of all action" mutagen - any agent (physical or environmental) that can induce a genetic mutation or can increase the rate of mutation enlivener, invigorator, quickener - an agent that gives or restores life or vigor; "the soul is the quickener of the body" relaxer - any agent that produces relaxation; "music is a good relaxer" represser, repressor - an agent that represses retardant, retardent, retardation - any agent that retards or delays or hinders; "flame-retardant" satisfier - any agent capable of producing satisfaction shortener - any agent that shortens; "alcohol is a great shortener of life" stressor - any agent that causes stress to an organism teratogen - any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples transmitter, vector - any agent (person or animal or microorganism) that carries and transmits a disease; "mosquitos are vectors of malaria and yellow fever"; "fleas are vectors of the plague"; "aphids are transmitters of plant diseases"; "when medical scientists talk about vectors they are usually talking about insects" weakener - that which weakens or causes a loss of strength; "doubt is a great weakener of resolve"
	2.	agent - a representative who acts on behalf of other persons or organizations business agent - an agent who handles business affairs for another; especially one who deals with employers literary agent - an agent who represents an author in dealings with publishers bailee - the agent to whom property involved in a bailment is delivered booker, booking agent - someone who engages a person or company for performances surrogate, deputy - a person appointed to represent or act on behalf of others employment agent - someone who runs an employment agency freight agent - an employee of a freight carrier who directs the receipt and delivery of goods government agent - a representative or official of a government or administrative department of a government handler - an agent who handles something or someone; "the senator's campaign handlers" mill agent - the responsible official at a mill that is under absentee ownership next friend - (law) a person who acts on behalf of an infant or disabled person parliamentary agent - a person who is employed to look after the affairs of businesses that are affected by legislation of the British Parliament placeholder, procurator, proxy - a person authorized to act for another purchasing agent - an agent who purchases goods or services for another representative - a person who represents others intelligence agent, intelligence officer, operative, secret agent - a person secretly employed in espionage for a government shipping agent - the agent of a shipowner shopper - a commercial agent who shops at the competitor's store in order to compare their prices and merchandise with those of the store that employs her special agent - someone whose authority is limited to the special undertaking they have been instructed to perform talent agent - an agent who represents performers general agent, universal agent - someone authorized to transact every kind of business for the principal
	3.	agent - a substance that exerts some force or effect causal agency, causal agent, cause - any entity that produces an effect or is responsible for events or results substance - a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man" antiflatulent - any agent that reduces intestinal gas antifungal, antifungal agent, antimycotic, antimycotic agent, fungicide - any agent that destroys or prevents the growth of fungi antimicrobial, antimicrobic, disinfectant, germicide - an agent (as heat or radiation or a chemical) that destroys microorganisms that might carry disease drug - a substance that is used as a medicine or narcotic vermicide - an agent that kills worms (especially those in the intestines) alkaliser, alkalizer, antacid, antiacid, gastric antacid - an agent that counteracts or neutralizes acidity (especially in the stomach) bacteriostat - a chemical or biological material that inhibits bacterial growth blanching agent, bleaching agent, whitener, bleach - an agent that makes things white or colorless chemical agent - an agent that produces chemical reactions coagulant, coagulator - an agent that produces coagulation coolant - a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another; "he added more coolant to the car's radiator"; "the atomic reactor used a gas coolant"; "lathe operators use an emulsion of oil and water as a coolant for the cutting tool" diluent, dilutant, thinner - a diluting agent emmenagogue - any agent that promotes menstrual discharge galactagogue - agent that induces milk secretion hypnagogue - an agent that induces drowsiness or sleep hypoglycaemic agent, hypoglycemic agent - any of various agents that decrease the level of glucose in the blood and are used in the treatment of diabetes mellitus inducer - an agent capable of activating specific genes lactifuge - any agent that reduces milk secretion (as given to a woman who is not breast feeding) lactogen - any agent that enhances milk production mitogen - an agent that triggers mitosis nerve agent, nerve gas - a toxic gas that is inhaled or absorbed through the skin and has harmful effects on the nervous and respiratory system precipitant - an agent that causes a precipitate to form solvating agent - an agent that converts something into a solvate viricide, virucide - an agent (physical or chemical) that inactivates or destroys viruses
	4.	agent - a businessman who buys or sells for another in exchange for a commission broker, factor brokerage, brokerage firm, securities firm - a stock broker's business; charges a fee to act as intermediary between buyer and seller auctioneer - an agent who conducts an auction bourgeois, businessperson - a capitalist who engages in industrial commercial enterprise insurance agent, insurance broker, underwriter, general agent - an agent who sells insurance investment banker, underwriter - a banker who deals chiefly in underwriting new securities estate agent, house agent, land agent, real estate agent, real estate broker - a person who is authorized to act as an agent for the sale of land; "in England they call a real estate agent a land agent" ship broker - an agent for the ship owner; obtains cargo and may arrange for its loading or discharge stockbroker - an agent in the buying and selling of stocks and bonds syndic - one appointed to represent a city or university or corporation in business transactions travel agent - someone who sells or arranges trips or tours for customers
	5.	agent - any agent or representative of a federal agency or bureau federal agent Indian agent - a representative of the federal government to American Indian tribes (especially on Indian reservations) functionary, official - a worker who holds or is invested with an office Fed, federal official, Federal - any federal law-enforcement officer trustbuster - a federal agent who engages in trust busting
	6.	agent - the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause agentive role participant role, semantic role - (linguistics) the underlying relation that a constituent has with the main verb in a clause

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agent

noun 1. representative, deputy, substitute, advocate, rep (informal) broker, delegate, factor, negotiator, envoy, trustee, proxy, surrogate, go-between, emissary

noun 2. author, officer, worker, actor, vehicle, instrument, operator, performer, operative, catalyst, executor, doer, perpetuator

noun 3. force, means, power, cause, instrument

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In intelligence usage, one who is authorized or instructed to obtain or to assist in obtaining information for intelligence or counterintelligence purposes.

Translations

agent [ˈeɪdʒənt] n (gen) → agente m/f (= representative); representante m/f delegado/a

agent [ˈeɪdʒənt] n → agent m;

(firm) → concessionnaire m

agent [ˈeɪdʒənt] n (Comm) → Vertreter(in) m(f);

(representative, spy) → Agent(in) m(f);

(Chem) → Mittel nt (fig); Kraft f

agent [ˈeɪdʒənt] n → agente m

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agent

n agent [ˈeidʒənt]

1 a person or thing that acts detergents and other cleaning agents. agens عَامِل/عَوَامِل действащ činitel, prostředek agent; (rengørings-)middel der,die Handelnde(r);das Mittel παράγοντας agente vahend, tegija کارگذار؛ عامل aine, suorittaja agent/-ente סוֹכֵן, גוֹרֵם कारक sredstvo szer agen, zat orsakavaldur; virkt efni agente 行為者, 作用物 작용물 medžiaga, įrankis spēks; līdzeklis ejen agens, middel (virke)middel działacz czynnik, środek agente agent агент; средство činiteľ, činidlo povzročitelj; čistilno sredstvo sredstvo handlande person, medel ตัวกระทำ temsilci, araç, vasıta (發生作用)的人或事 діюча сила; діюча речовина عامل tác nhân; chất （发生作用）的人或事

2 a person who acts for someone in business etc our agent in London; a theatrical agent. agent وَكِيل/عَمِيل представител agent, zástupce agent; repræsentant der/die Vertreter(in); der/die Agent(in) πράκτορας agente esindaja, agent نماینده agentti, edustaja représentant/-ante בָּא כּוֹח, נָצִיג कर्ता, गुमाश्ता zastupnik ügynök, képviselő wakil umboðsmaður agente 代理人 대리인 agentas, atstovas aģents; pārstāvis wakil agent agent, representant agent, przedstawiciel agente agent secret, spion представитель; агент zástupca, agent predstavnik zastupnik agent, ombud ตัวแทน temsilci acenta 代理商 агент, представник کارندہ ، گماشتہ đại lý 代理商

3 (especially secret agent) a spy an agent for the Russians. agent عَمِيل шпионин tajný agent spion; agent der/die Agent(in) μυστικός πράκτορας agente agent جاسوس agentti agent/-ente סוֹכֶן חֲשָׁאִי agent ügynök, kém agen rahasia njósnari agente スパイ 스파이 agentas aģents perisik agent spion, agent agent agente agent агент agent (tajni) agent tajni agent hemlig agent สายลับ casus 特務 агентура جاسوس đặc vụ 特务

n ˈagency

the office or business of an agent an advertising agency. agentskap وَكَالَه представителство agentura agentur; bureau die Agentur πρακτορείο agencia agentuur, esindus آژانس toimisto bureau סוֹכנוּת एजेंसी, शाखा posredništvo ügynökség biro umboðsfyrirtæki, umboð agenzia 代理店 대리점 agentūra aģentūra; birojs agensi bureau byrå, agentur agencja agência agenţie агентство agentúra urad agencija agentur, byrå, kontor บริษัทตัวแทน temsilci, acenta 代理機構 агенція, агентство مختاری hãng 代理机构

by/through the agency of

by the action of The meeting was arranged through the agency of a friend. bemiddeling بِوَاسِطَة، بِمُسَاعَدَة посредничество prostřednictvím gennem; ved hjælp af durch Vermittlung von με τη μεσολάβηση κπ. por medio de (kellegi) abil وساطت jonkun toimesta par l'entremise de בְּאֶמצָעוּת माध्यम से posredovanje jóvoltából perantara atbeini, verkun grazie a ～の手で ...의 중개로 (ko) dėka ar kāda starpniecību perantaraan door bemiddeling van gjennom, ved hjelp av za pośrednictwem através de prin intermediul посредством, при содействии prostredníctvom s posredovanjem posredovanje genom ngns försorg โดยการจัดการของ sayesinde 由於...作用 за допомогою, за сприяння ذریعہ ، وسیلہ sự trung gian 由于...作用