The phrase "a broader expression" is correct and usable in written English.
You can use it when discussing a term or phrase that encompasses a wider range of meanings or interpretations.
Example: "The term 'sustainability' is a broader expression that includes environmental, social, and economic dimensions."
Alternatives: "a wider term" or "a more inclusive phrase".
Platypus genes α/α, α2 and β, whose orthologues are usually expressed in the bone marrow of an adult human, were expressed in almost all platypus tissues tested, suggesting a broader expression of these genes in the monotreme lineage.
CEACAM6 also is expressed on granulocytes and epithelia from various organs, and has a broader expression zone in proliferating cells of hyperplastic colonic polyps and adenomas, compared with normal mucosa [ 10], as well as by many human cancers [ 10- 12].
Mr. Bloomberg said his visit was part of a broader expression of gratitude for support he received from religious leaders and their congregations.
The initial protests, set off by fears of mad cow disease, quickly evolved into a broader expression of grievances against Mr. Lee's policies on education, the economy and other issues.
He had been in Sofia, Bulgaria, on Wednesday morning and wanted to stop by Istanbul to witness the protests, which started as an effort to save Gezi Park from destruction and morphed into a broader expression of dissatisfaction with the authoritarian tactics of Prime Minister Recep Tayyip Erdogan.
What began as a peaceful protest about the destruction of a park to make way for a shopping centre has turned into a broader expression of Turkish discontent.
There are 13 TLRs described in mammals with a broad expression profile but TLR11, 12 and 13 are not expressed in the human genome.
This study revealed a broad expression of NFATc3 with a relative strong expression in intestine and lymphocytes.
The protests evolved into a broad expression of anger against both the development plan and the tactics of the Islamist government and its leader.
Ferletta, M., Uhrbom, L., Olofsson, T., Ponten, F. & Westermark, B. Sox10 has a broad expression pattern in gliomas and enhances platelet-derived growth factor-B− -induced gliomagenesis.
g, h, The expression pattern of pATHB8::HTA6-YFP is highly specific to xylem cells (g), and its expression is enhanced after 24 h of induction of PEAR1 overexpression, with a broad expression domain (h).
