one-quadrillionth

Thân thiện

A scientist measures a one-quadrillionth of a substance in a lab.

Definition

Noun: - One part in a quadrillion equal parts: A unit of measurement representing one of a quadrillion (1,000,000,000,000,000) identical parts of a whole. It is an extremely small fractional quantity.

Usage

This term is used primarily in scientific, mathematical, or technical contexts to denote an infinitesimally small proportion or a precise measurement scale. - The detector can measure concentrations as low as one-quadrillionth of a gram per liter. - In this model, the probability of that event is estimated to be one-quadrillionth.

Advanced Usage

• Used to form compound nouns specifying a unit, particularly with units of time or length in scientific notation (e.g., one-quadrillionth of a second, though more commonly expressed as a femtosecond).
  • Some atomic processes occur on a scale of one-quadrillionth of a second.

Variants and Related Words

• Quadrillionth (noun, adjective): The ordinal form for the position corresponding to 1,000,000,000,000,000; also used to mean one of a quadrillion equal parts.
  • He finished in quadrillionth place. (ordinal)
  • A quadrillionth of the total volume. (fractional)
• Femtosecond (noun): A unit of time equal to one quadrillionth (10^-15) of a second, which is the more common technical term.

Synonyms

• A quadrillionth part
• 10^-15 (in scientific notation)

Học thuật

Noun

1. one part in a quadrillion equal parts

Từ đồng nghĩa

• quadrillionth