bismuthic
- a containing bismuth (especially in the pentavalent state)
billionth
- n position 1,000,000,000 in a countable series of things
- n one part in a billion equal parts
- s the ordinal number of one billion in counting order
billowing
- v rise up as if in waves
- v move with great difficulty
- v rise and move, as in waves or billows
- v become inflated
- s characterized by great swelling waves or surges
the restless billowing sea
billowy
- s characterized by great swelling waves or surges
billowy storm clouds