micro-

UK/ˈmaɪ.kɹə-/UK/ˈmaɪ.kɹəʊ-/Canada, US[ˈmʌɪ̯.kɹə-]Canada, US/ˈmaɪ.kɹoʊ-/

prefix

Very small.

“micro- + gram → microgram”

Similar
mini-nano-[Appendix:Glossary-cule-ee-el-et-ette-icle

Meanings

micro-1

prefix
  1. diminutiveVery small.

    micro- + organism → microorganism

    2 more examples

    Near-synonyms: (prefixes) mini-, nano- (loose sense); (suffixes) -cule, -ee, -el, -et, -ette, -icle, -ie, -kin, -le, -let, -ling, -ole, -ule, -y

    Gen Z is using micro-retirement to avoid burnout, find greater fulfillment in their work, and enhance their overall well-being. However, it’s not just Gen-Z: According to a survey from Side Hustles, 10% of workers are considering taking a micro-retirement and 75% thought employers should offer micro-retirement policies such as unpaid sabbaticals.

    2025 July 1, Kimanzi Constable, “What is a micro-retirement? Inside the latest Gen Z trend”, in Fast Company, archived from the original on 09 Jul 2025

    Synonyms: mini-, nano-[Appendix:Glossary, -cule, -ee, -el, -et, -ette, -icle

  2. metric unitsOne millionth.

    micro- + gram → microgram

micro-2

prefix
  1. Pertaining to an aspect of micronationalism; micronational.

    micro- + wiki → MicroWiki

Synonyms & antonyms

Origin

micro- · prefix

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-

Learned borrowing from Ancient Greek μῑκρο- (mīkro-), from μῑκρός (mīkrós, “small”). By surface analysis, micr- + -o-.

Full word history & related roots →

micro- · prefix

  1. Proto-Indo-European*mey-der.?
  2. Ancient Greekμῑκρός (mīkrós)
  3. Ancient Greekμῑκρο- (mīkro-)
  4. Englishmicro-
  5. Proto-Indo-European*ǵenh₁-
  6. Proto-Indo-European*ǵénh₁tis
  7. Proto-Italic*gnātiō
  8. Latinnātiō
  9. Old Frenchnacion
  10. Middle Englishnacioun
  11. Englishnation
  12. Englishmicronationclip.
  13. Englishmicro-

Clipping of micronation.

Full word history & related roots →

Translations

Afrikaans mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Ancient Greek μικρο-
  • μικρο- (mikro-)very small
Bulgarian микро-, микро-
  • микро- (mikro-)very small
  • микро- (mikro-)millionth
Catalan micro-, micro-
  • micro-very small
  • micro-millionth
Chinese Mandarin 微-, 微-
  • 微- (wēi-)very small
  • 微- (wēi-)millionth
Czech mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Dutch micro-, micro-
  • micro-very small
  • micro-millionth
Esperanto mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Finnish mikro-, mikro-
  • mikro-very small
  • mikro-millionth
French micro-, micro-
  • micro-very small
  • micro-millionth
German mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Greek μικρο-, μικρο-
  • μικρο- (mikro-)very small
  • μικρο- (mikro-)millionth
Hebrew מיקרו־, מיקרו
  • מיקרו־ (míkro-)very small
  • מיקרו (míkro)very small
  • מיקרו־ (míkro-)millionth
  • מיקרו (míkro)millionth
Hungarian mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Icelandic míkró-
  • míkró-millionth
Indonesian mikro-
  • mikro-millionth
Irish micri-
  • micri-very small
Italian micro-, micro-
  • micro-very small
  • micro-millionth
Japanese マイクロ-, マイクロ
  • マイクロ- (maikuro-)very small
  • マイクロ (maikuro)millionth
Malay mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Polish mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Portuguese micro-, micro-
  • micro-very small
  • micro-millionth
Russian микро-, микро-
  • микро- (mikro-)very small
  • микро- (mikro-)millionth
Spanish micro-, micro-
  • micro-very small
  • micro-millionth
Swedish mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Tagalog mik-
  • mik-millionth
Turkish mikro-, mikro-
  • mikro-very small
  • mikro-millionth
Vietnamese mi-crô
  • mi-crômillionth
Cite this entry
APA

micro-. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/micro-

MLA

“micro-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/micro-. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “micro-,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/micro-.

Source: micro- on Wiktionary, CC BY-SA 4.0.