É possível criar um vácuo perfeito no universo?
C1 Portuguese listening practice · Brazilian Portuguese · Curated for advanced learners
About this clip
A 4:32 video in Portuguese at C1 level, suitable for advanced learners. The speech is at a natural pace around 164 words per minute, rated 4.3/5, medium listening difficulty by Reelang’s algorithm.
What this clip covers:
- ▸Science - Discoveries, experiments, and how the world works.
From Seja curioso — TED-Ed↗ on YouTube.Watch original
Vocabulary frequency
How common is the vocabulary in this C1 Portuguese listening practice listening practice?
81.4%
of words are in the top 2,000 most common Portuguese words
Based on this reel’s transcript, most of the vocabulary is high-frequency, everyday Portuguese.
General Portuguese frequency
74.9%
Top 1,000
81.4%
Top 2,000
92%
Top 5,000
Spoken Portuguese frequency
85.4%
Top 1,000
95.2%
Top 2,000
100%
Top 5,000
👄 Conversational vocabulary
This reel’s words appear more often in subtitle-based spoken-Portuguese data than in general usage, so it may feel closer to everyday conversation.
Words above this video’s level
Quick glosses for vocabulary that goes beyond this video’s C1 level.
colisor
4×
Rare / outside top 5,000
collider
cúbico
4×
Rare / outside top 5,000
cubic
flutuações
4×
Rare / outside top 5,000
fluctuations
quânticas
4×
Rare / outside top 5,000
quantum
vácuos
4×
Rare / outside top 5,000
vacuum
flutuação do vácuo
1×
vacuum fluctuation in quantum fields
Source: wordfreq 3.1.1 (general) · SUBTLEX-PT-BR 2012 (spoken). Buckets approximate; exact ranks not stored.
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