12-letter words containing e, x, o
- vox angelica — an organ stop with a soft tone, often similar to the voix céleste
- waxed cotton — cotton that is treated with wax to make it waterproof
- well-exposed — left or being without shelter or protection: The house stood on a windy, exposed cliff.
- x chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- x-chromosome — a sex chromosome of humans and most mammals that determines femaleness when paired with another X chromosome and that occurs singly in males.
- xanthogenate — Xanthate.
- xanthopterin — a yellow pigment, C6H5N5O2, found in some butterfly or moth wings or in the urine of mammals
- xenocurrency — currency circulating or traded in money markets of countries outside its country of issue.
- xenoestrogen — (biochemistry) A xenohormone that imitates estrogen.
- xenoreactive — (immunology) That generates a reaction to material from another species.
- zooxanthella — any of various symbiotic yellow-green or yellow–brown algae in the cytoplasm of certain radiolarians and marine invertebrates.