principio activo

[pɾĩnˈsipjo akˈt̪iβ̞o]

/[pɾĩnˈsipjo akˈt̪iβ̞o]/ phrase

The verdict

“principio activo” is outside the top-ranked Spanish vocabulary, used as a phrase - the kind of word writers most often double-check.

Unranked
below top-frequency Spanish
16
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - En una preparación es la sustancia que da cuenta de la actividad o efecto de un medicamento

Key facts for principio activo
PropertyValue
Headwordprincipio activo
LanguageSpanish
Part of speechPhrase
IPA[pɾĩnˈsipjo akˈt̪iβ̞o]
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “principio activo” sits in Spanish frequency

principio activo falls outside the top-100,000 ranked Spanish words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Spanish entry for principio activo is 16 letters long, classified as a phrase, and transcribed in the International Phonetic Alphabet as [pɾĩnˈsipjo akˈt̪iβ̞o]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "En una preparación es la sustancia que da cuenta de la actividad o efecto de un medicamento".

No generated misspelling entries exist for principio activo in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No documented word history exists for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is principio activo, spelled P-R-I-N-C-I-P-I-O- -A-C-T-I-V-O.

Definition

  1. 1
    En una preparación es la sustancia que da cuenta de la actividad o efecto de un medicamento

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "principio activo"?
"principio activo" is spelled P-R-I-N-C-I-P-I-O- -A-C-T-I-V-O. The IPA pronunciation is [pɾĩnˈsipjo akˈt̪iβ̞o].
What does "principio activo" mean?
As a phrase, "principio activo" means: En una preparación es la sustancia que da cuenta de la actividad o efecto de un medicamento
How do you pronounce "principio activo"?
The IPA (International Phonetic Alphabet) transcription for "principio activo" is [pɾĩnˈsipjo akˈt̪iβ̞o]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "principio activo" come from?
"principio activo" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “principio activo”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is P-R-I-N-C-I-P-I-O- -A-C-T-I-V-O - every other letter order is a misspelling in standard orthography.
  • Say it as [pɾĩnˈsipjo akˈt̪iβ̞o] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list