(n) blue daisy
(n) (comp) Bluetooth (variety of short-range wireless LAN)
(n) blue train
sleeping train (from the original color of the trains) (colour)
(n) blue train
(n) blue backs
(n) blue film
porno(graphic) film
(n) blue-black
(n) blueprint
(n) blue Monday
(n) Vulcanian eruption
(n) Brugada syndrome (genetic condition resulting in increased risk of sudden cardiac arrest)
(n) Burkina Faso
(n) bourgeoisie (fre:)
(n) bourgeoisie (fre:)
(n) bourgeois revolution
(n) bourgeois society
(n) (comp) Brooks's Law
(n) petit bourgeois (fre:)
(n) (comp) programmable
(n) (comp) postamble
(n) Marburg disease
Marburg hemorrhagic fever
green monkey disease
(n) pre-nuptial doubts (wasei: marriage blue)
(n) main table
(n) main table
(n) methylene blue
(n) rumble seat
(n) giardia (flagellate protozoan)
(n) retractable
(adj-f) renewable
(n) (comp) ribbon cable