10-letter words containing i, x, o, r
- peroxisome — a cell organelle containing catalase, peroxidase, and other oxidative enzymes and performing essential metabolic functions, as the decomposition of fatty acids and hydrogen peroxide.
- peroxyacid — an acid derived from hydrogen peroxide and containing the –O–O– group, as peroxysulfuric acid, H 2 S 2 O 8 .
- picrotoxin — a white, crystalline, bitter, poisonous, central nervous system stimulant, C 3 0 H 3 4 O 1 3 , obtained from the seeds of Anamirta cocculus: used chiefly in the treatment of barbiturate poisoning.
- pillar box — a pillarlike box in which letters are deposited for collection by mail carriers; mailbox.
- polar axis — the fixed line, usually horizontal, from which the angle made by the radius vector is measured in a polar coordinate system.
- prolixious — (of speech, music, writing) long-winded; drawn out
- proximally — situated toward the point of origin or attachment, as of a limb or bone. Compare distal (def 1).
- pyridoxine — a derivative of pyridine, C 8 H 1 1 NO 3 , occurring in whole-grain cereals, meats, fish, etc., and also made synthetically: required for the prevention of pellagra and the formation of hemoglobin; vitamin B 6 .
- pyroxenite — any rock composed essentially, or in large part, of pyroxene of any kind.
- pyroxenoid — any of a group of triclinic silicates including wollastonite, rhodonite, and pectolite
- quadroxide — (chemistry) A tetroxide.
- radio taxi — a taxi in two-way radio communication with a dispatcher, who sends it directly to persons who phone in for a taxi.
- radiotoxic — causing radiation sickness.
- relaxation — abatement or relief from bodily or mental work, effort, application, etc.
- reoxidized — to convert (an element) into an oxide; combine with oxygen.
- rix-dollar — any of various silver coins, as the Danish rigsdaler, the Dutch rijksdaalder, or the German reichsthaler, of about equal value.
- silver fox — a red fox in the color phase in which the fur is black with silver-gray ends on the longer hairs.
- six-footer — a person who is roughly six feet tall.
- six-storey — having six floors or storeys
- sixth form — secondary school: final 2 years
- sixty-four — a cardinal number, 60 plus 4.
- superoxide — a compound containing the univalent ion O 2 − .
- synaxarion — a summary of the life of a saint or of the particulars of a feast, read at the orthros.
- thixotropy — the property exhibited by certain gels of becoming liquid when stirred or shaken.
- thyrotoxic — of or relating to a condition caused by excessive thyroid hormone in the system, usually resulting from overactivity of the thyroid gland.
- trihydroxy — containing three hydroxyl groups.
- tropotaxis — straight movement by an organism toward or away from a source of stimulation as a result of comparing information received by paired sensory receptors on both sides of the body.
- unuxorious — doting upon, foolishly fond of, or affectionately submissive toward one's wife.
- uxorilocal — matrilocal.
- xenotropic — (of a virus) able to replicate only in a different animal species from the host
- xerodermic — pertaining to xeroderma
- xerophagia — The eating of dry food.
- xerophilic — Capable of growing and reproducing in conditions with a low availability of water.
- xerophobia — A fear of dryness.
- xerophytic — (botany) Of, pertaining to, or being a xerophyte.
- xerostomia — dryness of the mouth caused by diminished function of the salivary glands due to aging, disease, drug reaction, etc.
- xiphosuran — any chelicerate arthropod of the subclass Xiphosura, including the horseshoe crabs and many extinct forms