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1. Acquired from or through two intermediate sources: a thirdhand report.
a. Previously used by two other owners.
b. Dealing in merchandise previously used by two other owners.

third′hand′ adv.


gained from two intermediaries away from the original source
in a doubly indirect manner



1. previously owned by two successive people.
2. secondhand, esp. in poor condition.
3. twice removed.
4. after two other users or owners.
5. by way of intermediate sources; indirectly.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.thirdhand - derived from what is primary or original by two intermediate steps; "a thirdhand report"
secondary - being of second rank or importance or value; not direct or immediate; "the stone will be hauled to a secondary crusher"; "a secondary source"; "a secondary issue"; "secondary streams"
Adv.1.thirdhand - by doubly indirect means; "I got the news thirdhand"
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References in periodicals archive ?
This is called thirdhand smoke and is even more dangerous than directly inhaling smoke from cigarettes in the home.
Second and thirdhand effects of cannabis are important new risks to consider when evaluating the children of marijuana smokers.
DENVER -- Thirdhand smoke--the persistent residue that collects on indoor surfaces where people have smoked--is "clearly" a potentially hazardous exposure, John M.
But at the same time, more than The Yellow Jacket, Dean's thirdhand chinoiserie was an Oriental dish cooked for Occidental tastes.
com/content/early/2017/03/30/tobaccocontrol-2016-053602) Tobacco Control  found high levels of nicotine on the hands of children of smokers, raising concerns about thirdhand smoke, a name given to the nicotine and chemical residue left behind from cigarette and cigar smoke that can cling to skin, hair, clothes, rugs and walls.
Researchers would like to include in their follow-up research an examination of how much secondhand smoke and thirdhand smoke each contribute to overall tobacco exposure in children, and more specifics on how these exposures affect child health.
And bear meat probably gets the worst, as information, mostly wrong, gets spread second- and thirdhand by hunters who have never tasted bear meat, let alone cooked it themselves.
Thirdhand tobacco smoke: emerging evidence and arguments for a multidisciplinary research agenda.
When smokers move out and non-smokers move in: residential thirdhand smoke pollution and exposure.
It is important that you take steps to avoid inhaling secondhand smoke and to clean up lingering toxins that are referred to as thirdhand smoke.
In addition to passive inhalation, non-smokers, especially children, are also at risk through contact with surfaces and dust contaminated with residual smoke gases and particles, the so-called thirdhand tobacco smoke (THS).
Being the bunso (youngest), it is rudimentary, wired in my mother's brain, that I receive secondhand or even thirdhand stuff to fill my wardrobe.