sextillionth
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sextillionth — sex·til·lionth (sĕk stĭlʹyənth) n. 1. The ordinal number matching the number sextillion in a series. 2. One of sextillion equal parts. sex·tilʹlionth adv. & adj. * * * … Universalium
sextillionth — sextillˈionth adjective and noun • • • Main Entry: ↑sextillion … Useful english dictionary
sextillion — sextillionth, adj., n. /seks til yeuhn/, n., pl. sextillions, (as after a numeral) sextillion, adj. n. 1. a cardinal number represented in the U.S. by 1 followed by 21 zeros, and in Great Britain by 1 followed by 36 zeros. adj. 2. amounting to… … Universalium
zepto- — [zep′tō, zep′tə] combining form one sextillionth part of; the factor 10 21 [zeptosecond] * * * zepto pref. One sextillionth (10 21): zeptosecond. [From alteration of Latin septem, seven ( … Universalium
zepto- — combining form Etymology: International Scientific Vocabulary, probably alteration of hepta ; from the fact that 1021 is the seventh power of 103 one sextillionth (10 21) part of < zeptosecond > … New Collegiate Dictionary
zeptosecond — noun Date: 1994 one sextillionth of a second … New Collegiate Dictionary
Mega- — For other uses, see Mega (disambiguation). Mega (symbol M) is an prefix in the metric system denoting a factor of million (106 or 1000000). Confirmed in 1960, it comes from the Greek μέγας, meaning great.[1] Contents 1 Other common examples of… … Wikipedia
Order of magnitude — An order of magnitude is the class of scale or magnitude of any amount, where each class contains values of a fixed ratio to the class preceding it. In its most common usage, the amount being scaled is 10 and the scale is the (base 10) exponent… … Wikipedia
SI prefix — SI prefixes in everyday use Text Symbol Factor tera T 1000000000000 giga G 1000000 … Wikipedia
Micro- — This article describes the SI prefix. For other meanings, see Micro (disambiguation). Micro (μ) is a prefix in the metric system denoting a factor of 10 6 (one millionth).[1] Confirmed in 1960, the prefix comes from the Greek μικρός (mikrós),… … Wikipedia
