9-letter words containing p, r, o, x
- protoxide — the one of a series of oxides having the smallest proportion of oxygen.
- proxemics — Sociology, Psychology. the study of the spatial requirements of humans and animals and the effects of population density on behavior, communication, and social interaction.
- proximate — next; nearest; immediately before or after in order, place, occurrence, etc.
- proximity — nearness in place, time, order, occurrence, or relation.
- proxy arp — (networking) The technique in which one host, usually a router, answers Address Resolution Protocol (ARP) requests intended for another machine. By "faking" its identity, the router accepts responsibility for routing packets to the "real" destination. Proxy ARP allows a site to use a single IP address with two physical networks. Subnetting would normally be a better solution.
- pyothorax — empyema.
- pyridoxal — a naturally occurring derivative of pyridoxine that is a precursor of a coenzyme (pyridoxal phosphate) involved in several enzymic reactions. Formula: (CH2OH)(CHO)C5HN(OH)(CH3)
- pyrotoxin — pyrogen.
- pyroxylic — resulting from the action of fire on wood
- pyroxylin — a nitrocellulose compound containing fewer nitrate groups than guncotton, used in the manufacture of artificial silk, leather, oilcloth, etc.
- re-export — to export again, as imported goods.
- re-expose — to expose again
- water pox — chickenpox.
- xenomorph — A strange form.
- xerograph — A photocopy produced by xerography.
- xeromorph — a xerophilous plant, which is able to survive with little water
- xerophagy — a Lenten fast observed especially during Holy Week, constituting the strictest fast in the Eastern Church.
- xerophyte — a plant adapted for growth under dry conditions.
- xtp forum — (body) A consortium of for- and non-profit companies and research organisations promoting Xpress Transport Protocol.
- xylograph — An engraving in wood, especially one used for printing.