septillion

As an adjective undefined is

lacking a definition or value.

As numerals the difference between septillion and googol

is that septillion is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴ while googol is the number 10¹⁰⁰, written as 1 followed by 100 zeros.

As a noun billon

is any of several alloys of precious metals and base metals that is used (where legal) to make coins, medals etc.

As a numeral septillion is

(US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

As numerals the difference between thousand and septillion

is that thousand is a numerical value equal to 1,000 = 10 × 100 = 10³septillion is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

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Wikidiffcom has no English definition.

As a numeral septillion is

(US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

As a noun taxonomy

is the science or the technique used to make a classification.

As a numeral septillion

is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

As a noun yottabyte is

one septillion (10²⁴) bytes. SI symbol: YB.

As a numeral septillion

is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

As a noun yottahertz is

a unit of measurement based on one septillion hertz.

As a numeral septillion

is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 10²⁴.

As an adjective septillionfold is

by a multiple of one septillion; by a septillion times as much or as many.

As an adverb septillionfold is

by a factor of one septillion.