The phrase "a single charm" is correct and usable in written English.
It can be used to refer to one specific charm, often in contexts related to jewelry, magic, or personal attributes.
Example: "She wore a necklace with a single charm that represented her love for nature."
Alternatives: "one charm" or "a solitary charm".
Dressed in a black abaya, her hair covered, she wears hardly any jewellery other than a childlike bracelet made of coloured thread with a single gold charm, a tiny Arabic coffeepot or dallah.
Prosecutors portrayed Ms. Sumasar as a single mother charmed by a wily confidence man who ruined her life.
The background: A single mother is charmed by a private detective, Jerry Ramrattan.
Miss Guy first teamed up with Debbie Harry on "Charm Alarm," a single he wrote for and performed with her -- and the new single, "God Save New York," is equally lively, blending a low-budget, post-punk rock vibe with a sense of humor that is visible in each performers' skillfully made-up face.
If you don't use a charm, place a single bead in the center of the ribbon (threading it over only one tail), and then fold the ribbon in half and insert both tails through the remaining beads to make it secure.
In his latest "ban" on Cameron liking the music of the Smiths, who split in 1987, Marr singled out This Charming Man, a single chosen by Cameron on Desert Island Discs.
ChARM required hours to analyze a single data set, compared to seconds for CGHScan, and ChARM was frequently unable to complete the analyses.
"Juno" is a coming-of-age movie made with idiosyncratic charm and not a single false note.
Cheery-cheeked Pastor Dan (John Corbett), who runs it, is a handsome single Prince Charming-in-waiting who adores children and sets about proving to Helen that he's sexy as well as devout.
Sean meets Ryan, a single mother, and sparks fly while Owen is charmed by Sean's sassy assistant, Mia.
