Billionth
ahd-5
noun.
The ordinal number matching the number one billion in a series.
noun.
One of a billion equal parts.
The Century Dictionary and Cyclopedia
Coming last in a set of a billion terms: an ordinal numeral.
Being one of a billion equal parts.
noun.
One of a billion equal parts; the quotient of unity divided by a billion.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
The ordinal form of the number
one billion
.
noun.
The person or thing in the billionth position.
noun.
One of a billion equal parts of a whole.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
the ordinal number of one billion in counting order
noun.
one part in a billion equal parts
noun.
position 1,000,000,000 in a countable series of things
Word Usage
"In the meantime, a few weeks ago, I watched The Sound of Music (for the billionth time)."
Equivalent
ordinal
Hypernym
Words that are more generic or abstract
common fraction
rank
simple fraction
Rhyme
Words with the same terminal sound
millionth
Same Context
Words that are found in similar contexts
Angstrom
ampere
dropoffs
thousandth