Standard Lemma guide

picogram

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

An SI unit of mass equal to 10−12 grams. Symbol: pg

Definition source: English Wiktionary via Wiktextract

Topics: metrology

Examples

  • Holonyms: nanogram < microgram < milligram < gram < kilogram < megagram < gigagram

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Celtic *bekkos Gaulish *bekkosbor.? Latin beccus Old Spanish bico Spanish picobor. English pico- English gram English picogram From pico- + gram.

Across languages

Translations

3 source translations are retained for this English entry.

  • Chinese Mandarin: 皮克 (píkè) — unit of mass
  • Chinese Mandarin: 微微克 (wēiwēikè) — unit of mass
  • French: picogramme — unit of mass