dioptría
Spanish, noun[d̪jopˈt̪ɾia]
dioptría is spelled D-I-O-P-T-R-Í-A (8 letters) and appears about once in every 74 million words in written Spanish, the 298,369th most frequent Spanish word form (wordfreq, 2021 data). Dioptría is a Spanish feminine noun meaning “diopter” (English Wiktionary, September 2026). The Spanish Wiktionary (Wikcionario) defines it as “Unidad que expresa el poder de refracción de una lente o el poder de reflexión un espejo, y que equivale al…”.
What does dioptría mean in English?
noun
- 1
femininediopter
Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).
How Spanish dictionaries define it
noun: 1. Unidad que expresa el poder de refracción de una lente o el poder de reflexión un espejo, y que equivale al valor inverso de su longitud focal expresada en metros. Los valores positivos corresponde a los sistemas ópticos convergentes, y los negativos a los divergentes.
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 dioptría
- dioptrías plural
Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce dioptría?
- [d̪jopˈt̪ɾia]
Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to dioptría
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is dioptría in Spanish?
dioptría appears about once in every 74 million words in written Spanish.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).