Anesthetic
: A substance that causes lack of feeling or awareness. A local anesthetic causes loss of feeling in a part of the body. A general anesthetic puts the person to sleep.
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1. A compound that reversibly depresses neuronal function, producing loss of ability to perceive pain and/or other sensations. 2. Collective designation for anesthetizing agents administered to an individual at a particular time. 3. Characterized by loss of sensation or capable of producing loss of sensation. 4. Associated with or due to the state of anesthesia.
- flammable a. an inhalation a. that supports combustion and forms explosive mixtures with oxidizing gases.
- general anesthetics drugs used either by the intravenous route or by inhalation that render the subject unconscious and incapable of perceiving pain as might otherwise occur in surgery.
- inhalation a. a gas or a liquid with sufficient vapor pressure to produce general anesthesia when breathed.
- intravenous a. a compound that produces anesthesia when injected intravenously.
- local anesthetics drugs used for the interruption of the nerve transmission of pain sensations. They act at the site of application to prevent perception of pain; examples include procaine and lidocaine.
- primary a. the compound that contributes most to loss of sensation when a mixture of anesthetics is administered.
- secondary a. a compound that contributes to, but is not primarily responsible for, loss of sensation when two or more anesthetics are simultaneously administered.
- spinal a. a local a. agent producing loss of sensation when injected into the subarachnoid space.
- topical a. a local a. preparation suitable for anesthetizing skin surfaces or mucous membranes. Can be used in the form of ointments, creams, jellies, sprays, or solutions.
- volatile a. a liquid a. that at room temperature volatilizes to a vapor which when inhaled is capable of producing general anesthesia. SEE ALSO: a. vapor.

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an·es·thet·ic or chiefly Brit an·aes·thet·ic .an-əs-'thet-ik adj
1) capable of producing anesthesia <\anesthetic agents>
2) of, relating to, or caused by anesthesia <an \anesthetic effect> <\anesthetic symptoms>
an·es·thet·i·cal·ly or chiefly Brit an·aes·thet·i·cal·ly -i-k(ə-)lē adv
anesthetic or chiefly Brit anaesthetic n a substance that produces anesthesia

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an·es·thet·ic (an″əs-thetґik) 1. characterized by anesthesia (def. 1); called also numb. 2. producing anesthesia (defs. 1, 2). 3. a drug or agent that is used to abolish the sensation of pain.

Medical dictionary. 2011.

Look at other dictionaries:

  • anesthetic — adj insensitive, *insensible, impassible Analogous words: *dull, obtuse: *impassive, apathetic, stolid: impervious, impermeable, impenetrable, *impassable Antonyms: alive Contrasted words: *aware …   New Dictionary of Synonyms

  • anesthetic — ☆ anesthetic [an΄es thet′ik, an΄isthet′ik ] adj. [< Gr anaisthētos + IC] 1. relating to, with, or characterized by anesthesia 2. producing anesthesia n. a drug, gas, etc. used to produce anesthesia, as before surgery anesthetic to incapable of …   English World dictionary

  • anesthetic — index drug, narcotic (adjective), narcotic (noun) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • anesthetic — (adj.) alternative spelling of ANAESTHETIC (Cf. anaesthetic) (q.v.). See AE (Cf. ae) …   Etymology dictionary

  • anesthetic — / anaesthetic [n] sleep inducing or numbing drug analgesic, anodyne, dope*, gas, hypnotic, inhalant, narcotic, opiate, pain killer, shot, soporific, spinal; concept 307 …   New thesaurus

  • anesthetic — (Brit. anaesthetic) ► NOUN ▪ a drug or gas that causes insensitivity to pain. ► ADJECTIVE ▪ inducing or relating to anaesthesia …   English terms dictionary

  • anesthetic — I noun a drug that causes temporary loss of bodily sensations • Syn: ↑anaesthetic, ↑anesthetic agent, ↑anaesthetic agent • Derivationally related forms: ↑anaesthetic (for: ↑anaesthe …   Useful english dictionary

  • anesthetic — anesthetically, adv. /an euhs thet ik/, n. 1. a substance that produces anesthesia, as halothane, procaine, or ether. adj. 2. pertaining to or causing physical insensibility: an anesthetic gas. 3. physically insensitive: Halothane is used to… …   Universalium

  • anesthetic — n. 1) to administer, give an anesthetic 2) to have, take an anesthetic 3) a general; local anesthetic 4) the anesthetic wears off 5) under (an) anesthetic …   Combinatory dictionary

  • anesthetic — 1. adjective /ˌænəsˈθɛtɪk/ Causing the reduction of pain sensitivity. 2. noun /ˌænəsˈθɛtɪk/ A substance administered to reduce the perception of pain or to induce numbness. An anesthetic may or may not render the recipient unconscious, depending… …   Wiktionary

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