Found 12 phrases starting with X:

Skip to:XXAXBXC - XEXF - XHXI - XKXL - XNXO - XQXR - XTXU - XWXX - XZ

X factorAn unknown or hard-to-define influence; a factor with unknown or unforeseeable consequences.Rate it:
X factorprothrombinase, also called factor X.Rate it:
X factorThe proportionality constant which converts CO emission line brightness to molecular hydrogen mass.Rate it:
X marks the spotYou will find what you are looking for under an obvious sign for it.Rate it:
X outto cross out with letter X's, or with scribble, or with lines.Rate it:
x raymedical photographRate it:
X's and O'stic-tac-toeRate it:
X's and O'sThe fundamental elements of a play.Rate it:
X's and O'sThe basic delineation of roles in a project.Rate it:
X's and O'skisses and hugs.Rate it:
XFFInitialism of X-Forwarded-For : an HTTP header indicating that a message or request was forwarded by a proxy.Rate it:
XYZThe color space of the tristimulus values X, Y, and Z.Rate it:

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_______ is a man's best friend.
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