The phrase "a host of phenomena" is correct and usable in written English.
It can be used to describe a large number of different occurrences or events, often in a scientific or academic context.
Example: "The study revealed a host of phenomena related to climate change that had not been previously documented."
Alternatives: "a multitude of phenomena" or "a variety of phenomena".
Nearly a century of empirical research examines how neighborhood properties influence a host of phenomena such as crime, poverty, health, civic engagement, immigration, and economic inequality.
A host of phenomena, loosely associated under the heading 'globalisation', have encouraged this critical awakening: exploding transnational economic exchange, competition and communication as well as high levels of migration, of cultural and social interactions have shown how porous those borders have become and led people to contest the relevance and legitimacy of state sovereignty.
S R theories failed to account for a host of learned phenomena.
The intensity of these short laser pulses is enormous and allows the creation of conditions that approach those found in stars and study a host of new phenomena.
The early chemical evolution of the Galaxy and the Universe is vital to our understanding of a host of astrophysical phenomena.
This new regime of interactions has already led to a host of fascinating phenomena, such as novel methods of non-destructive probing of quantum states5,6,7,8,9,10,11,12,13,14, new quantum phases and light-matter entanglement15,16,17,18,19,20,21,22,23, or an entirely new class of many-body dynamics due to measurement backaction24,25,26,27,28,29,30,31.
By the end of the century explanations had been found for a host of intriguing phenomena having to do with the flow of water through tubes and orifices, the waves that ships moving through water leave behind them, raindrops on windowpanes, and the like.
What rests on directionality is how we parse not only theoretical relations but also practical consequences and perspectives concerning a host of social phenomena.
When radio and X-ray telescopes were introduced several decades ago, a host of unexpected phenomena were discovered--including quasars, neutron stars, pulsars and even evidence for black holes.
By explaining the role of groups in economic and social life, this theory makes sense of a host of perplexing social phenomena and policy issues, from equal employment opportunity to international competitiveness to the decline of organized labor, from multicultural education to health insurance to the underclass.
Recent experiments on nanostructured materials, such as nanoparticles, nanowires, nanotubes, nanopillars, thin films, and nanocrystals have revealed a host of "ultra-strength" phenomena, defined by stresses in a material component generally rising up to a significant fraction (>110) of its ideal strength – the highest achievable stress of a defect-free crystal at zero temperature.
