tri·so·mic

[trahy-soh-mik]
adjective Genetics.
having one chromosome in addition to the usual diploid number.

Origin:
trisome + -ic

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trisomy (ˈtraɪsəʊmɪ) [Click for IPA pronunciation guide]
 
n
the condition of having one chromosome of the set represented three times in an otherwise diploid organism, cell, etc. Trisomy of chromosome 21 results in Down's syndrome
 
[C20: from tri- + (chromo)som(e) + -y³]
 
trisomic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Trisomic is always a great word to know.
So is bezoar. Does it mean:
a fool or simpleton; ninny.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Example sentences
The progenies of these plants were studied and they produced diploid and simple trisomic plants.
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