| wwoofer |
a person who works on a volunteer basis on an organic farm and who receives food and shelter on the farm by the owner in exchange for the labor provided. |
| WY |
abbreviation of "Wyoming," a northwestern U.S. state between Montana and Colorado. |
| Wyandot |
a North American Indian tribe of the Huron confederacy, originally inhabiting Michigan, Ohio, and Ontario. [2 definitions] |
| wychelm |
a small European elm tree. |
| Wyoming |
a northwestern U.S. state between Montana and Colorado. (abbr.: WY) |
| X1 |
abbreviation of "persons under eighteen not admitted" (formerly used as a film rating). |
| X2 |
in Roman numeral notation, 10. |
| x1 |
to cross out (written or printed matter) with a mark or marks like an "x". [2 definitions] |
| x2 |
the twenty-fourth letter of the English alphabet. [6 definitions] |
| xanthan |
a natural gum produced by bacterial fermentation of glucose, used as a stabilizer or thickener in commercially prepared foods; xanthan gum. |
| xanthein |
the water-soluble part of the pigment in yellow flowers, or of yellow pigment in plant sap. |
| xanthic |
having a yellow or yellowish color. [2 definitions] |
| xanthine |
a crystalline nitrogenous compound found in blood, urine, and some animal and plant tissues. [2 definitions] |
| xantho- |
yellow. |
| xanthous |
yellow. [2 definitions] |
| x-axis |
in a two-dimensional coordinate system, the horizontal axis, along which the x ordinates are measured. [2 definitions] |
| X-C |
abbreviation of "cross-country." |
| X chromosome |
the sex chromosome that occurs paired in females and singly in males, and is responsible for female sex characteristics. (Cf. Y chromosome.) |
| Xe |
symbol of the chemical element xenon. |
| xebec |
a small, three-masted Mediterranean sailing ship with square and triangular sails, and with an overhanging bow and stern. |
| xeno- |
strange; foreign. |