10-letter words starting with or
- ore hearth — a small blast furnace for smelting lead.
- ore tanker — a ship built to carry ore.
- oregon fir — Douglas fir.
- organ bank — a facility that manages organs for transplant
- organ loft — a loft in a church or cathedral that houses the keyboard of a pipe organ
- organ pipe — one of the pipes of a pipe organ.
- organ stop — a set of organ pipes allowed to sound as a group by stopping all others
- organelles — Cell Biology. a specialized part of a cell having some specific function; a cell organ.
- organicism — Philosophy. the view that some systems resemble organisms in having parts that function in relation to the whole to which they belong. Compare holism (def 1).
- organicist — Philosophy. the view that some systems resemble organisms in having parts that function in relation to the whole to which they belong. Compare holism (def 1).
- organicity — noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
- organigram — (management) A graphical representation of the structure or an organization, showing groups and departments and their interconnections and inter-responsibilities.
- organisers — Plural form of organiser.
- organising — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
- organismal — a form of life composed of mutually interdependent parts that maintain various vital processes.
- organismic — a form of life composed of mutually interdependent parts that maintain various vital processes.
- organizers — Plural form of organizer.
- organizing — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
- organogram — (management) alternative spelling of organigram.
- organology — the branch of biology that deals with the structure and functions of the organs of living things.
- orgone box — a cabinetlike device constructed of layers of wood and other materials, as tin, claimed by its inventor, Wilhelm Reich, to restore orgone energy to persons sitting in it, thereby aiding in the cure of impotence, cancer, the common cold, etc.
- orichalcum — a brass rich in zinc, prepared by the ancients.
- orientalia — Things from the “orient”, especially decorative objects from eastern Asia.
- orientally — In an oriental manner.
- orientated — Having a specific orientation.
- orientates — Third-person singular simple present indicative form of orientate.
- orientator — a person who orientates
- oriflammes — Plural form of oriflamme.
- originally — with respect to origin; by origin: Originally he came from California.
- originated — Simple past tense and past participle of originate.
- originates — Third-person singular simple present indicative form of originate.
- originator — to take its origin or rise; begin; start; arise: The practice originated during the Middle Ages.
- orismology — the science of defining the technical or special terms of a particular subject or field of study.
- ornamental — used or grown for ornament: ornamental plants.
- ornamented — (of a character) highly embellished or ornate; altered by embellishment.
- ornamenter — a person who adorns or decorates
- ornateness — elaborately or sumptuously adorned, often excessively or showily so: They bought an ornate Louis XIV sofa.
- orneriness — ugly and unpleasant in disposition or temper: No one can get along with my ornery cousin.
- ornithopod — any herbivorous dinosaur of the suborder Ornithopoda whose members usually walked erect on their hind legs.
- ornithosis — psittacosis, especially of birds other than those of the parrot family.
- orogenesis — the process of mountain making or upheaval.
- orographic — Of or relating to mountains, especially with regard to their position and form.
- oropendola — any of several birds of the genus Gymnostinops, related to crows and feeding primarily on fruit and nectar, noted especially for their hanging nests.
- oropharynx — the part of the pharynx between the soft palate and the upper edge of the epiglottis.
- orotundity — (of the voice or speech) characterized by strength, fullness, richness, and clearness.
- orphanages — Plural form of orphanage.
- orphanhood — a child who has lost both parents through death, or, less commonly, one parent.
- orpharions — Plural form of orpharion.
- orthoboric — (chemistry) boric (especially when compared with other oxyacid species of boron).
- orthocaine — a methyl ester used for local anaesthesia