micra
Spanish, noun[ˈmikɾa]
micra is spelled M-I-C-R-A (5 letters) and appears about once in every 12 million words in written Spanish, the 128,005th most frequent Spanish word form (wordfreq, 2021 data). Micra is a Spanish feminine noun meaning “micron” (English Wiktionary, September 2026). The Spanish Wiktionary (Wikcionario) defines it as “Unidad de longitud equivalente a la millonésima parte de un metro, su símbolo es µm”.
What does micra mean in English?
noun
- 1
femininemicron
- 2
Spaincolloquialfemininea tenth of a gram (of a drug)
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
noun: 1. Unidad de longitud equivalente a la millonésima parte de un metro, su símbolo es µm.
The definition in the Spanish Wiktionary (Wikcionario), in Spanish.
Source: Spanish Wiktionary (Wikcionario), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of micra
- micras plural
Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce micra?
- [ˈmikɾa]
Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is micra in Spanish?
micra appears about once in every 12 million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).