The phrase "an infancy" is correct and usable in written English.
It can be used to refer to the early stage of development or existence of something, often in a metaphorical sense.
Example: "The technology is still in an infancy stage, requiring further research and development before it can be widely adopted."
Alternatives: "a nascent stage" or "an early phase".
"We are in an infancy of illustrating to the world who it is that we are".
"I ain't no bloomin' 'Un; I come from The Smoke," protested a waiter in the Douglas Camp, and the officer who told me the story swore that such an accent could only have been contracted during an infancy spent within full sound of Bow Bells.
But Making An Exhibition of Myself, the autobiography first published seven years ago, tells the bumpy story behind the successes: an infancy as the precocious, ukulele-playing son of an East Anglian stationmaster; an ambitious youth (he decided he wanted to run Stratford at 16), suicidal thoughts and four wives.
One neighbor went bankrupt; another, a Mormon family of thirteen, had to move out of their barely furnished Tudor-style home and into a small trailer; another neighbor had a series of brain surgeries to help with damage from an infancy with an alcoholic parent who shook her.
Although the PL properties of g-C3N4 have been investigated in the past fifteen years, the solid-state lighting of g-C3N4-based materials is still at an infancy stage.
EIN aims to maximise eco-efficiency and minimise environmental impact in value chains and networks; currently however, the effort towards a sustainable and efficient EIN is still in an infancy stage.
To investigate whether an infancy-onset, low saturated fat-oriented dietary intervention influences serum adiponectin concentration in adolescents, and to study the association of adiponectin with subclinical markers of vascular health, and cardio-metabolic risk factors.
4 5 Mutations of SAMHD1 cause Aicardi Goutières syndrome (AGS), an infancy-onset inflammatory encephalopathy that phenotypically mimics congenital viral infection 6 and shows overlap with systemic lupus erythematosus (SLE), a multifactorial disease characterised by autoimmunity against nucleic acids.
The "immemorial statutes" were only fifty years old, an early infancy for a statute.
It was an inspiring infancy.
Sometimes I wonder if children three and four were cheated out of an official "infancy".
