ten-thousandth

Thân thiện

A scientist carefully measures a ten-thousandth of a gram on a precision scale.

Definition

Noun 1. A fractional part equal to one of ten thousand equal divisions of a whole: The ordinal number for the position corresponding to 10,000 in a sequence; the item occupying this position. 2. The quotient of unity divided by ten thousand (1/10,000 or 0.0001): A precise mathematical fraction representing one part out of ten thousand total parts.

Usage Examples

• As a fractional quantity:
  • A millimeter is one ten-thousandth of a meter.
  • The margin of error was less than three ten-thousandths.
• As an ordinal position:
  • She was the ten-thousandth visitor to the website this month.
  • This coin is the ten-thousandth to be minted at the new facility.

Advanced Usage

• In decimal form: The fraction one ten-thousandth is written as 0.0001 in decimal notation.
  • The concentration was measured at 5.7 ten-thousandths, or 0.00057.
• In percentage terms: One ten-thousandth is equivalent to 0.01% (one hundredth of one percent).
  • The impurity level was a mere 0.01%, or one ten-thousandth.

Variants and Related Words

• Ten-thousandth can function as an adjective when describing a fractional unit.
  • They measured a ten-thousandth part of the sample.
• Ten-thousandfold (adj. & adv.): Multiplied by ten thousand; consisting of ten thousand parts.
• Ten thousand (n., adj.): The cardinal number 10,000.

Synonyms

• 0.0001 (decimal representation)
• 1/10,000 (fractional representation)
• One part in ten thousand

Notes on Meaning

• The primary meaning is mathematical and quantitative, denoting an extremely small fraction.
• Its use as an ordinal number (e.g., the ten-thousandth customer) is derived from this fractional sense, indicating a single, specific item within a sequence of 10,000.

Học thuật

Noun

1. one part in ten thousand equal parts

Từ đồng nghĩa

• one-ten-thousandth