12-letter words starting with x
- 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 consortium — A vendor consortium supporting development, evolution and maintenance of the X Window System. The X Consortium is an independent, not-for-profit company. It was formed in 1993 as the successor to the MIT X Consortium, a research group of the MIT Laboratory for Computer Science.
- 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-ray binary — a binary star that is an intense source of X-rays and is composed of a normal star in close orbit with a white dwarf, neutron star, or black hole
- xanthene dye — any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (C 6 H 4) groups are the chromophore.
- xanthic acid — an unstable organic acid, C 3 H 6 S 2 O, the methyl and ethyl esters of which are colorless, oily liquids with a penetrating odor.
- xanthochroia — a condition causing yellow patches on the skin similar to xanthoma
- xanthochroid — of, relating to, or designating races having light-coloured hair and a pale complexion
- xanthogenate — Xanthate.
- xanthomatous — of, relating to, or marked by xanthoma
- 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.
- xilinx, inc. — (company) The electronics company who invented the FPGA. Xilinx was founded in San Jose, California, in 1984, and invented the field-programmable gate array. They claim to command more than half of the world market for these devices today. More recent innovations include complex programmable logic devices. Address: 2100 Logic Drive, San Jose, CA 95124, USA.
- xiphisternum — The lowest part of the sternum; the xiphoid process.
- xylobalsamum — the dried, fragrant wood of the Balsamodendron gileadense that produces resin known as Balm of Gilead
On this page, we collect all 12-letter words starting with letter X. It’s easy to find right word with a certain length. It is the easiest way to find 12-letter word that beginning with X to use in Scrabble or Crossword puzzles.