X factor

(redirected from Ex-factor)
Also found in: Dictionary.

X factor

Hair replacement A popular term for an unidentified cause of follicular destruction, which occurs in up to 1% of Pts undergoing hair transplantation

X factor

A growth factor, identified as hemin, that is needed to grow Haemophilus influenzae in culture.
See: hemin
See also: factor
References in periodicals archive ?
The Ex-Factor by Andrea Semple (Piatkus Books, pounds 6.99)
EX-FACTOR The last picture of Cheryl and Fernandez-Versini before they split up
Why not?" I don't know what your secret is Simon but that is definitely what you call the Ex-Factor.
LOOKS like simon Cowell has fallen for the ex-factor again - as he leaves a restaurant with a new tall, slim, brunette beauty.
The Villa midfielder may himself be an ex-factor at Stamford Bridge - the club he left 15 months ago for Villa Park - but he is convinced the Holte End crowd can roar Martin O'Neill's side to victory in the day's big televised clash.
REFORMED Liverpool drug addicts and alcoholics are to sing about the demons they have conquered and form an "Ex-Factor" group.
Now it seems she's relented and Cameron no longer has the ex-factor.
But he's by no means the first celebrity looking for that ex-factor.
"It was always tough on her Danny was away so much but after this tour he's going to be EX-FACTOR J based around Dublin and London which would make it easy to see each other.
This year, she was recognised for her hit single Ex-Factor.
Bookies BetVictor quote just 4-7 for Barlow to be an ex-Factor judge next year.
Adding to the second-division atmosphere, ITV rolled out Ex-Factor reject Kate Thornton to announce the "winner" - some bloke flogging toy helicopters.