"prominent characteristic" is a correct and usable phrase in written English.
You can use it to describe an important quality that stands out in someone or something. For example, "Compassion is a prominent characteristic of her personality."
Their most prominent characteristic is that they have graphs for consonants but not for vowels.
Defective regulation of these channels is a prominent characteristic of cystic fibrosis.
The most prominent characteristic of post-normal science is the extension of the peer community.
Si accumulation in tissues and cells is a prominent characteristic of plants from the Poaceae family (Melo et al. 2010).
A prominent characteristic of migrant entrepreneurship is the influence of family and co-ethnic labour on the business.
Dysregulation of the mechanisms that control normal cell cycle progression is a prominent characteristic of cancer cells.
Prof. Li's habit of working on experiments together with his students is his most prominent characteristic (Fig. 2B), and he has done this until the age of 80.
A prominent characteristic of this expression system is the expression of viral structural proteins that can spontaneously form VLPs. BEVS for VLP vaccine production has many advantages.
A prominent characteristic of the radiated noise is that it is most intense in the upstream direction and drops off with an increase in inlet angle.
This abandonment of linguistic domain-specificity contrasts very sharply with the picture that was such a prominent characteristic of the earlier work on linguistic nativism, popularized in different ways by Fodor (1983), Barkow et al. (1992), and Pinker (1994).
The most prominent characteristic of new combustion modes, such as Homogenous-Charge Compression-Ignition (HCCI), Stratified-Charge Compression-Ignition (SCCI), and Low-Temperature Combustion (LTC), is the requirement of creating a homogenous mixture or controllable stratified mixture prior to ignition.
