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Webster 1828 Edition

Noun.

[Gr. A tree and a discourse.] A discourse or treatise on trees; the natural history of trees.

dendrology ‎(uncountable)

the study of trees

Japanese: 樹木学 ‎(じゅもくがく, jumokugaku)
Khmer: រុក្ខវិទ្យា ‎(rukkʰa’ vityie)
Malay: dendrologi
Polish: dendrologia (pl) f
Portuguese: dendrologia f
Russian: дендроло́гия (ru) f ‎(dɛndrológija), лесове́дение (ru) n ‎(lesovédenije)
Serbo-Croatian: dendrologija (sh) f
Spanish: dendrología f