14-letter words starting with or
- or thereabouts — You add or thereabouts after a number or date to indicate that it is approximate.
- oracle toolkit — Adaptable User Interface
- oral eroticism — libidinal pleasure derived from the lips and mouth, for example by kissing
- oral tradition — a community's cultural and historical traditions passed down by word of mouth or example from one generation to another without written instruction.
- oral-formulaic — noting or pertaining to poetry of an earlier spoken tradition, as the Iliad, that uses formulas to aid its continued expression.
- orange blossom — the white flower of an orange tree, especially of the genus Citrus, much used in wreaths, bridal bouquets, etc.: the state flower of Florida.
- orbital sander — a sander that uses a section of sandpaper clamped to a metal pad that moves at high speed in a very narrow orbit, driven by an electric motor.
- orchard oriole — a North American oriole, Icterus spurius, the male of which is chestnut and black.
- orchestrations — Plural form of orchestration.
- order of merit — an order conferred on civilians and servicemen for eminence in any field
- ordinal number — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- ordinary point — Mathematics. a point in a domain in which a given function of a complex variable is analytic.
- ordinary share — British. a share of common stock.
- ordinary stock — British. common stock.
- ordnance corps — a combat support military unit responsible for developing and maintaining weapons and weapon systems
- ordnance datum — mean sea level calculated from observation taken at Newlyn, Cornwall, and used as the official basis for height calculation on British maps
- organ of corti — Anatomy, Zoology. a structure in the cochlea of a mammal, consisting of hair cells that serve as receptors for auditory stimuli.
- organic matter — matter derived from organisms, esp decayed matter in soil
- organisational — (British) alternative spelling of organizational.
- organizability — The suitability or potential for organization.
- organizational — the act or process of organizing.
- organochlorine — Any of a large group of pesticides and other synthetic organic compounds with chlorinated aromatic molecules.
- organometallic — pertaining to or noting an organic compound containing a metal or a metalloid linked to carbon.
- organosiloxane — a siloxane containing an organic group.
- orient express — an express passenger train in service between Paris and Istanbul from 1883 until 1977, using various routes. Some or parts of the routes continue to be served by regular service and by rail tours.
- oriental poppy — a poppy, Papaver orientale, of Asia, having bristly stems and leaves and showy scarlet, pink, or white flowers, cultivated as an ornamental.
- oriental topaz — a variety of corundum resembling topaz in colour and used as a gemstone
- orkney islands — group of islands north of Scotland, constituting an administrative division of Scotland: 377 sq mi (976 sq km); pop. 20,000
- ornamentations — Plural form of ornamentation.
- ornithischians — Plural form of ornithischian.
- ornithological — the branch of zoology that deals with birds.
- ornithologists — Plural form of ornithologist.
- ornithomorphic — relating to an ornithomorph
- orobanchaceous — belonging to the Orobanchaceae, the broomrape family of plants.
- orphan process — (operating system) A Unix process whose original parent has terminated and which has become a child of "init(1)". Compare zombie.
- orphans' court — a probate court in certain U.S. states.
- orthochromatic — representing correctly the relations of colors as found in a subject; isochromatic.
- orthodox sleep — dreamless sleep, characterized by a slow alpha rhythm of brain waves and no marked physiological changes.
- orthographical — Of, or relating to orthography; spelled correctly.
- orthomolecular — being or pertaining to the treatment of disease by increasing, decreasing, or otherwise controlling the intake of natural substances, especially vitamins. Compare megavitamin (def 1).
- orthomyxovirus — Any RNA virus of Orthomyxoviridae family characterised by having two long glycoprotein spikes.
- orthonormalize — (mathematics) To make a set of vectors both orthogonal and normalized.
- orthophosphate — a salt or ester of orthophosphoric acid, or any compound containing the trivalent group −PO 4 .
- orthopterology — the study of the Orthoptera
- orthoselection — orthogenesis (def 1a).
On this page, we collect all 14-letter words starting with OR. It’s easy to find right word with a certain length. It is the easiest way to find 14-letter word that beginning with OR to use in Scrabble or Crossword puzzles.