The phrase "a drastic diminution" is correct and usable in written English.
It can be used to describe a significant reduction or decrease in something, often in a formal or academic context.
Example: "The study revealed a drastic diminution in the population of the species over the last decade."
Alternatives: "a significant reduction" or "a substantial decrease."
A near-isogenic line (NIL) carrying an O. rufipogon allele at this gene in an elite variety background displays defaults in root development and notably fewer crown roots due to a drastic diminution of crown root primordia.
A major advantage of HRM is a drastic diminution in the needs for sequencing to identify a sequence variation.
Lower levels of Nyv1p did not lead to a drastic diminution of fusion activity, but resulted in lower amounts of trans-SNARE association.
We demonstrated a drastic diminution in primary tumor growth in control and TβR-II-expressing 4T1 cells after PF-562271 treatment.
The results of the subsequent N2 INIE experiment are presented in Figure 6a, in which it can be seen that there is a drastic diminution of the partial pressure of N2.
Such treatments are known to damage the carbon nanotube structure and to reduce their stability which induces drastic diminution of their properties.
The sexual abuse scandals in the Catholic priesthood, which need no noting here, have certainly contributed to the drastic diminution in the ranks of the priesthood, while also simultaneously diminishing the "authority" Americans once perceived in the priesthood.
Furthermore, the upregulation of SCS will help mitigate, albeit partially, the drastic diminution of KGDH activity.
Histological analysis of lung sections was performed which further confirmed the drastic diminution of both nodule size and number in both survivin and cyclin B1 ssiRNA treated lungs.
Moreover, drastic diminutions in these parameters were noted in the 20% dose of calcium chloride treatments.
The diminution for the rest of the world, which has been less pronounced, is largely the result of a drastic drop in the availability and catch of small pelagic species, and hence it affects a relatively small number of fishers.
