The phrase "a component of three" is correct and usable in written English.
It can be used when referring to something that is part of a group or set consisting of three elements.
Example: "In our project, each team member is a component of three essential roles that contribute to our success."
Alternatives: "part of a trio" or "element of three".
His battle narrowed to a campaign against "pink slime" – the modified scrapings of carcasses that had once gone to dog food but had, due to an industrial rinsing process, become a component of three quarters of the "ground beef" in supermarkets and burgers.
These experiments show that the foxa gene is a component of three distinct embryonic gene regulatory networks.
Gcn5 is a component of three HAT complexes in S. cerevisiae, the ADA, SAGA and SLIK (SAGA-like) complexes.
Lpd is a component of three major enzymatic complexes: the pyruvate dehydrogenase complex, the branched amino acid dehydrogenase complex and the peroxynitrate reductase complex.
This validation study, as a component of three large case-control studies of malignancies, used separate hospital outpatient and population control groups to assess differences in the distributions of demographic characteristics and lifestyle factors between the two control groups.
It is also a component of two combination pills — Trizivir and Epzicom.
The storage unit is a component of ten pieced solar air collectors heating system being developed for space heating of a greenhouse and charging of PCM.
The mirrors were a component of one of the world's first early-warning systems, the London Air Defence Area, but became obsolete with the development of radar, leading to the remaining structures falling into a state of disrepair.
A component of zero lifetime is introduced to account for the excitation backscatter leakage through optical interference filters seen by the photodetector.
The modern M-11 was added to the state highway system as a component of M-114.
Our results support the notion that other rRNA synthesis regulatory pathways exist and suggest that basonuclin is a component of one of these pathways.
