tetrahydrocannabinol

4 definitions found

tetrahydrocannabinol - Collaborative International Dictionary of English v.0.48 :

  marijuana \marijuana\ n.
     1. A strong-smelling Asian plant (Cannabis sativa), also
        called hemp, from which a number of euphorogenic and
        halucinogenic drugs are prepared. The euphoric effect is
        predominently due to tetrahydrocannabinol (THC). [Also
        spelled marihuana.]
  
     Syn: cannabis, ganja, pot, grass, marihuana, Cannabis   sativa
          .
          [WordNet 1.5]
  
     2. The dried leaves or the female flowers of the hemp plant,
        which is smoked or chewed to obtain a euphoric effect. The
        flowers usually have a higher concentration of the active
        ingredient, tetrahydrocannabinol.
  
     Syn: cannabis, ganja, pot, grass, marihuana, dope, weed,
          gage, sess, sens, smoke, skunk, Mary Jane.
          [WordNet 1.5]

  tetrahydrocannabinol \tet`ra*hy`dro*can*nab"i*nol\
     (t[e^]t`r[.a]*h[imac]`dr[-o]*k[a^]n*n[a^]b"[i^]n[add]l), n.
     (Chem. & Med.)
     A chemical substance (C21H20O2) which is produced by the
     hemp plant (Cannabis sativa), and is the physiologically
     active agent of dried preparations of that plant, called
     variously marijuana, hashish, ganja, hemp, etc.; also called
     THC. It causes the euphoric effect for which the
     preparations are smoked or chewed. It is used in medicine in
     a purified form as an antiemetic (an antinausea agent),
     especially in conjunction with chemotherapy of cancer. It
     occurs primarily as the [Delta]1-3,4-trans isomer, also
     called [Delta]9-THC, with small amounts of the
     [Delta]6-3,4-trans isomer detectable at about 1%. It is a
     controlled substance, classified as a hallucinogen, and its
     possession or distribution is illegal in almost all states of
     the United States. --MI11
     [PJC]

  Cannabis \Can"na*bis\, prop. n. [L., hemp. See Canvas.]
     1. (Bot.) A genus of a single species belonging to the order
        Uricace[ae]; hemp.
        [1913 Webster]
  
     2. The Indian hemp plant plant Cannabis sativa syn.
        Cannabis Indica. See Cannabis Indica, below.
        [PJC]
  
     Cannabis Indica, the Indian hemp, now considered a variety
        of the common hemp (Cannabis sativa), originating in
        Asia but now grown widely around the world. It can be
        formed into a tough fiber that is used to make rope and
        tough fabric. The dried leaves and female flowers are
        smoked or chewed by people to produce a euphoric or
        hallucinogenic effect, caused mainly by the substance
        tetrahydrocannabinol (THC) contained in it. The
        THC-containing products of Cannabis are classified as a
        controlled substance, and posession and sale are illegal
        in most states of the United States. Once classified as a
        narcotic, the plant is now more commonly referred to in
        the category of euphoric or hallucinogenic agents.
        [1913 Webster +PJC]

tetrahydrocannabinol - WordNet (r) 2.1 (2005) :

  tetrahydrocannabinol
      n 1: psychoactive substance present in marijuana [syn:
           tetrahydrocannabinol, THC]