The phrase "a zenith of" is correct and usable in written English.
It can be used to describe the highest point or peak of something, often in a figurative sense, such as achievement or quality.
Example: "The artist's latest work represents a zenith of creativity and innovation in her career."
Alternatives: "a peak of" or "a pinnacle of".
Before World War I, foxhunting reached a zenith of popularity as an English field sport.
If Frankie Boyle wants to speed along Bernard Manning Boulevard, and destroy a hugely promising TV career in the mistaken belief that saying appalling things raises sheer cussedness to a zenith of moral integrity, that's his affair.
Independently of the Western modernists, Scriabin brought chromatic harmony to a zenith of richness, complexity and emotional expression that he himself found frightening: he couldn't play his Sixth Sonata in public, finding it "nightmarish, murky, unclean, and mischievous".
Before he died in 1974 from an overdose of the antidepressant Tryptizol (whether accidental or deliberate, no one will ever know), Drake released three albums that carried a strain of introspective British folk-pop to a zenith of pure beauty.
Signor Faccin points out, however, that unquestionably accurate astronomical calculations show that, with the horizon at a zenith of 89 degrees 57 minutes, the moon could not be seen at the time indicated by Commander Peary.
Issued in 1975, the record constituted a zenith of that uniquely British entwinement of driving rock with vast symphonic scale; it was wrapped in the first four-way gatefold cover; it was a definitive convergence of Brock's guitar, the ethereal synthesiser of Simon House and the impenitent bass of "Lemmy" Kilminster, for whom Warrior was a studio farewell with Hawkwind, before he formed Motörhead.
We derived the horizontal wind velocity by combining a pair of radial winds in either the east west or north south directions at a zenith angle of 10°.
For the present-day dipole field, this is a zenith angle of 90 degrees from the geomagnetic west.
The median percent conversion of 7-DHC to previtamin D3 and its photoproducts was 11.5% with 10.2% being previtamin D3 and vitamin D3 formed at a zenith angle of 37 at 12.30 p.m.
However, for levels lower than 1.1 mmol/L, the presence of albuminuria and, in particular, CKD markedly changed the shape of the risk curve to an 'A shaped' with a paradoxically positive association between CHD risk and HDL-C level, giving rise to a zenith value of 1.10 mmol/L.
The irony hanging over Ebert's death is that while he represents a historical zenith of critical fame — today he gazes out from the front page of the Times, accompanied by a testimonial from the President of the United States — the craft to which he devoted his life is in steep, possibly terminal, decline.
