single strand

[ˈsɪŋɡəl strænd]
nounpl: single strands
fita simples, filamento único, fio único
1. A single thin length of something, such as hair, fiber, DNA, or thread
A single strand of hair fell across her face.
Um fio único de cabelo caiu sobre seu rosto.
2. In molecular biology, one of the two complementary chains of a DNA molecule
The single strand DNA was separated from its complement during the denaturation process.
O DNA de fita simples foi separado de seu complemento durante o processo de desnaturação.
3. A single element or component that forms part of a larger structure
Each single strand contributes to the overall strength of the rope.
Cada fita simples contribui para a resistência geral da corda.
The term 'single strand' is primarily used in scientific and technical contexts in both Brazilian Portuguese and English-speaking cultures. In molecular biology laboratories and textbooks across Brazil and the USA, this terminology is standard. The metaphorical use (e.g., 'hanging by a single strand') appears in literature and everyday speech to denote fragility or precarious situations.
Synonyms / Sinônimos
single fibersingle threadfilamentstrandsingle line
Antonyms / Antônimos
double strandmultiple strandstwisted strands

Regional Variations

General Brazilian
fita simples, filamento único
Standard usage in scientific and general contexts
São Paulo
fio único
Common in textile and hair industry contexts
Rio de Janeiro
fita simples
Used interchangeably with other forms
Portugal
cadeia simples, filamento único
Portuguese preference for 'cadeia' in molecular biology context

Related Words

double helixDNAfiberthreadfilamentmolecular biology

Related Idioms & Phrases

hang by a single strand
a single strand of hope
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