bul·lion 
(blyən)
(blyən)n.
1.
a. Gold or silver considered with respect to quantity rather than value.
b. Gold or silver in the form of bars, ingots, or plates.
2. A heavy lace trimming made of twisted gold or silver threads.
[Middle English, ingot of precious metal, from Anglo-Norman, from Old French billon (from bille, stick; see BILLON) and from Old French bouillon, bubble on the surface of boiling liquid (from boilir, to boil; see BOIL1).]
- biodiesel
- biodiversification
- biodiversified
- biodiversity
- bioelectric
- bioelectrical
- bioelectricity
- bioengineer
- bioengineering
- bioenvironmental
- bioequivalence
- bioequivalent
- bioethanol
- bioethical
- bioethicist
- bioethics
- biofeedback
- biofilm
- bioflavonoid
- biofouler
- biofouling
- biofuel
- biofueled
- biogas
- biogenesis