This is the 6159th most frequent Portuguese word.
científico
Scientific.
Here, 'científico' is used as an adjective describing 'trabalho' (work), emphasizing its connection to science.
O trabalho científico é fundamental para o progresso.
Scientific work is fundamental for progress.
In this sentence, 'científico' is used as an adjective describing how the scientist applies a methodical and analytical approach characteristic of science.
Ele é um cientista muito científico em sua abordagem.
He is a very scientific scientist in his approach.
The word 'científico' functions as an adjective qualifying 'museu' (museum), indicating its focus on scientific topics.