Definition, Meaning & Synonyms
trillionth
adjective
/ˈtrɪljənθ/
Definition
The ordinal number corresponding to one trillionth in a sequence.
Examples
- In measuring time, one trillionth of a second is called a ‘picosecond’.
- The emission of light from the stars can be measured in trillionths of a watt.
Meaning
One trillionth is one part of a trillion, which is a very small fraction used in mathematics and science to express extremely small values.
Synonyms
- one part in a trillion
- 10-12 (in scientific notation)
