Nanometer

//ˈnænəˌmitɚ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    US spelling of nanometre. US, alt-of

    "We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer, the eon and the light-year."

  2. 2
    a metric unit of length equal to one billionth of a meter wordnet

Synonyms

All synonyms
micromillimetermicromillimetremillimicronnanometrenm

Example

More examples

"An ångström is smaller than a nanometer."

Etymology

From nano- + meter.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.