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Hasil cari dari kata atau frase: roccella (0.04798 detik)
Found 2 items, similar to roccella.
English → English (WordNet)
Definition: roccella
roccella
n : a source of the dye archil and of litmus [syn:
Roccella tinctoria
]
English → English (gcide)
Definition: Roccella
Orcin
\Or"cin\, n. [Etymology uncertain: cf. F. orcine.] (Chem.)
A colorless crystalline substance,
C6H3.CH3.(OH)2, which is
obtained from certain lichens (
Roccella,
Lecanora, etc.),
also from extract of aloes, and artificially from certain
derivatives of toluene. It changes readily into orcein.
[1913 Webster]
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