a Question about abreviations

well i beleave i have found 2 different seeds i am going to go with for my first grow(indoors) in 20 years . Pinaple Chunk and THC Bomb from the Single Seed Centre .
i know what the abreviation "THC" means , lol durr but i see another abreviation on alot of the seeds . what does "CBD" mean ?

It is one of the Cannabinoids (sp.), one that has been proven to be the most medically useful. Helps with pain, sleeping etc.

Thank you very much for the info and the fast reply .

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CannabidiolSystematic (IUPAC) name2-[(1R,6R)-6-isopropenyl-3-methylcyclohex-2-en-1-yl]-5-pentylbenzene-1,3-diolClinical dataAHFS/Drugs.comInternational Drug NamesPregnancy cat.?Legal statusSchedule II (Can)
Unscheduled (USA)IdentifiersCAS number13956-29-1 YATC codeNonePubChemCID 644019DrugBanknoneChemSpider24593618 YUNII19GBJ60SN5 YChemical dataFormulaC21H30O2 Mol. mass314.46SMILESeMolecules & PubChem

• InChI=1S/C21H30O2/c1-5-6-7-8-16-12-19(22)21(20(23)13-16)18-11-15(4)9-10-17(114(2)3/h9,12-13,17-18,22-23H,2,5-8,10-11H2,1,3-4H3/t17-,18+/m0/s1
  
  Y
  Key:ZTGXAWYVTLUPDT-ZWKOTPCHSA-N
  
  Y

Physical dataMelt. point66 °C (151 °F)Boiling point180 °C (356 °F)
(Range: 160°C-180°C) [1]

N(what is this?) (verify)
Cannabidiol (CBD) is a cannabinoid found in Cannabis. It is a major constituent of the plant, representing up to 40% in its extracts.[2]
It has displayed sedative effects in animal tests.[3] Some research, however, indicates that CBD can increase alertness.[4] It may decrease the rate of THC clearance from the body, perhaps by interfering with the metabolism of THC in the liver.
Medically, it has been shown to relieve convulsion, inflammation, anxiety, and nausea, as well as inhibit cancer cell growth.[5] Recent studies have shown cannabidiol to be as effective as atypical antipsychotics in treating schizophrenia.[6] Studies have also shown that it may relieve symptoms of dystonia.[7][8]
In November 2007, it was reported that CBD reduces growth of aggressive human breast cancer cells in vitro and reduces their invasiveness.
A 2008 study published in the British Journal of Psychiatry showed significant differences in Oxford-Liverpool Inventory of Feelings and Experiences scores between three groups: The first consisted of non-cannabis users, the second consisted of users with Δ9-THC detected, and the third consisted of users with both Δ9-THC and CBD detected. The Δ9-THC only group scored significantly higher for unusual experiences than the Δ9-THC and CBD group, whereas the Δ9-THC and CBD group had significantly lower introvertive anhedonia scores than the Δ9-THC only group and non-cannabis user group. This research indicates that CBD acts as an anti-psychotic and may counteract the potential effects of THC on individuals with latent schizophrenia.[9]

gopherbuddah is right, CBD is cannabidiol, not cannabinoid. Indica strains are high in CBD and usually lower in THC, sativas are more high in THC than CBDs. But if you take a sativa and flower it until the crystals are brown/amber, you will get an indica's CBD effects but its not quite CBD

WOW , Thank you Gopher and Nusky , very informative