colloidal

[kəˈlɔɪdəl]
adjective
coloidal
1. relating to or of the nature of a colloid; consisting of particles dispersed throughout a medium
The colloidal suspension remained stable for weeks without settling.
A suspensão coloidal permaneceu estável por semanas sem se depositar.
2. having particles in the size range between 1 nanometer and 1 micrometer
Colloidal silver has been used in various medical applications.
A prata coloidal tem sido usada em várias aplicações médicas.
3. relating to the branch of chemistry dealing with colloids
The researcher specialized in colloidal chemistry.
O pesquisador se especializou em química coloidal.
This is primarily a scientific and technical term used in chemistry, physics, materials science, and engineering. It is equally understood in both Brazilian Portuguese and European Portuguese scientific communities. The term is rarely used in everyday conversation and is specific to academic and industrial contexts, particularly in pharmaceutical, food science, and nanotechnology industries.
Synonyms / Sinônimos
dispersedsuspendedparticulate
Antonyms / Antônimos
crystallinemolecularionic

Regional Variations

General Brazilian
coloidal
standard term used in academic and scientific contexts
Portugal
coloidal
identical usage to Brazilian Portuguese in scientific contexts
USA
colloidal
common in chemistry, physics, and materials science disciplines

Related Words

colloidsuspensiondispersionemulsionsolgelparticle

Related Idioms & Phrases

colloidal solution
colloidal dispersion
colloidal chemistry
colloidal particles
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