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Rubin m -s, -e
gen.	ruby
coal., chem.	Oriental ruby; true ruby
Rubine m
gen.	rubies
Rubin adj. -s, -e
mining.	vermeil

rubin: 6 phrases in 5 subjects

Chemistry	1
Mining	2
Natural resourses and wildlife conservation	1
Optics branch of physics	1
Zoology	1