The phrase "a process of expansion" is correct and usable in written English.
It can be used to describe a situation or phenomenon where something is growing or increasing in size, scope, or influence.
Example: "The company is undergoing a process of expansion to reach new markets and increase its customer base."
Alternatives: "a phase of growth" or "an expansion phase".
After a period of assimilation, the Gregorian chant repertory began a process of expansion in the 9th century, when the practice of troping originated.
The person evolves into a persona, then a brand, then an empire, with the business imperative of grow or die — a process of expansion and commodification that transgresses boundaries by substituting celebrity for institutions.
Our results also show that in recent years, these corridors have been going through a process of expansion towards the East side of the country.
The geographic pattern of the municipalities with higher than average temporal trend suggests that some homicide corridors have gone through a process of expansion over the 12-year period under study.
The overall picture tends to indicate that book graphs may be originated by a process of expansion and densification of clustered cores of readers, and that a process of 'contagion' between users might have taken place in the shaping of the subgraphs of adopters G ( b ).
The cumulation is a result of raking of material particles forming a shell in a process of expansion of a hole, compare with cumulation of mass into the head droplet in Fig. 4. The particles having their instant positions outside relative to the rim do not "know" about the hole and about its expansion at this particular instant [22].
Considering this, it is possible that the significantly negative D values obtained for the clusters analyzed here correspond to TE families that are in a process of expansion--indeed, they all constitute quite numerous families within the Anopheles genome.
Translating the collages into tapestries is a process of amplification, expansion and refinement.
One can reject a conclusion, but it is much harder to reject a process of imaginative expansion, and if we take the link with drama seriously, it might seem as silly as "rejecting" King Lear or Hamlet.
Prince Henry the Navigator then bethought himself as to how Portugal could take control of the gold trade in Morocco, and a process of Portuguese expansion got under way, which meant in the first instance forts all along the Atlantic coast of Morocco and then, for a couple of generations, a Portuguese domination of south-eastern Asia.
In 1790 he published his theory of the principles of botany, Versuch, die Metamorphose der Pflanzen zu erklären ("Essay in Elucidation of the Metamorphosis of Plants"; Eng. trans. in Goethe's Botany), an attempt to show that all plant forms are determined by a process of alternating expansion and contraction of a basic unit, the leaf.
