1. n. an agent that reduces or abolishes sensation, affecting either the whole body (general anaesthetic) or a particular area or region (local anaesthetic). General anaesthetics, used for surgical procedures, depress activity of the central nervous system, producing loss of consciousness. anaesthesia is induced by short-acting barbiturate (such as thiopental) and maintained by inhalation anaesthetics (such as halothane). Local anaesthetics inhibit conduction of impulses in sensory nerves in the region where they are injected or applied; they include tetracaine, bupivacaine, and lidocaine.
2. adj. reducing or abolishing sensation.

Medical dictionary. 2011.

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  • Anaesthetic — An [ae]s*thet ic, a. (Med.) (a) Capable of rendering insensible; as, an[ae]sthetic agents. (b) Characterized by, or connected with, insensibility; as, an an[ae]sthetic effect or operation. [1913 Webster] …   The Collaborative International Dictionary of English

  • Anaesthetic — An [ae]s*thet ic, n. (Med.) That which produces insensibility to pain, as chloroform, ether, etc. [1913 Webster] …   The Collaborative International Dictionary of English

  • anaesthetic — (adj.) 1846, insensible, from Gk. anaisthetos insensate, without feeling; senseless, stupid (see ANAESTHESIA (Cf. anaesthesia)). Noun meaning agent that produces anesthesia first used in modern sense 1848 by Scottish doctor James Young Simpson… …   Etymology dictionary

  • anaesthetic — is spelt ae in BrE and e in AmE …   Modern English usage

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

  • anaesthetic — (BrE) (AmE anesthetic) noun ADJECTIVE ▪ general, local VERB + ANAESTHETIC/ANESTHETIC ▪ administer, give sb, inject ▪ He was given a …   Collocations dictionary

  • anaesthetic — n. (BE) see anesthetic 1) to administer, give an anaesthetic 2) to have, take an anaesthetic 3) a general; local anaesthetic 4) the anaesthetic wears off 5) under (an) anaesthetic * * * [ˌænɪs θetɪk] give an anaesthetic local anaesthetic …   Combinatory dictionary

  • anaesthetic — an|aes|thet|ic also anesthetic AmE [ˌænısˈθetık] n [U and C] a drug that stops you feeling pain under anaesthetic ▪ The operation will have to be done under anaesthetic (=using anaesthetic) . ▪ Eye surgery is often performed using a local… …   Dictionary of contemporary English

  • anaesthetic — UK [ˌænəsˈθetɪk] / US noun [countable/uncountable] Word forms anaesthetic : singular anaesthetic plural anaesthetics a drug or gas that is given to someone before a medical operation to stop them feeling pain. An anaesthetic that affects the… …   English dictionary

  • anaesthetic — especially BrE anesthetic AmE noun (C, U) a drug that stops you feeling pain: under anaesthetic (=using an anaesthetic) | local anaesthetic/general anaesthetic (=affecting a small part of your body/all of your body): Wisdom teeth are usually… …   Longman dictionary of contemporary English

  • anaesthetic — adj. & n. (US anesthetic) n. a substance that produces insensibility to pain etc. adj. producing partial or complete insensibility to pain etc. Phrases and idioms: general anaesthetic an anaesthetic that affects the whole body, usu. with loss of… …   Useful english dictionary

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