14-letter words containing r, o, t, h
- on the knocker — promptly; at once
- on the part of — a portion or division of a whole that is separate or distinct; piece, fragment, fraction, or section; constituent: the rear part of the house; to glue the two parts together.
- on the rampage — behaving violently or destructively
- on the rebound — to bound or spring back from force of impact.
- on the streets — earning a living as a prostitute
- on the surface — to all appearances
- on the upgrade — improving or progressing, as in importance, status, health, etc
- on the viretot — in a rush
- on the warpath — the path or course taken by American Indians on a warlike expedition.
- one's thirties — the ages between 30–39
- one-hit wonder — a singer, composer or group that only ever has one successful piece
- one-horse town — a small or obscure town
- oophorectomies — Plural form of oophorectomy.
- oophorectomize — to surgically remove (one or both ovaries)
- open deathtrap — (abuse) An abusive hackerism for the Santa Cruz Operation's Open DeskTop. The funniest part is that this was coined by SCO's own developers. Compare AIDX, Macintrash Nominal Semidestructor, ScumOS, sun-stools, HP-SUX.
- operating cash — the amount of cash or money that a business generates
- ophthalmometer — an instrument for measuring the reflection of an image on the surface of the cornea and other capacities of the eye, used chiefly for determining the presence and degree of astigmatism.
- ophthalmometry — the measurement and determination of the eye's defects and powers of refraction
- opisthobranchs — Plural form of opisthobranch.
- opisthographic — written on the front and back of a parchment or papyrus
- or thereabouts — You add or thereabouts after a number or date to indicate that it is approximate.
- orchestrations — Plural form of orchestration.
- ornithischians — Plural form of ornithischian.
- ornithological — the branch of zoology that deals with birds.
- ornithologists — Plural form of ornithologist.
- ornithomorphic — relating to an ornithomorph
- 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).
- osteoarthritic — Affected with osteoarthritis.
- osteoarthritis — the most common form of arthritis, usually occurring after middle age, marked by chronic breakdown of cartilage in the joints leading to pain, stiffness, and swelling.
- osteoarthroses — chronic, noninflammatory arthritis.
- osteoarthrosis — chronic, noninflammatory arthritis.
- osteochondroma — (medicine) A benign tumor consisting of bone or cartilage.
- osteodystrophy — (medicine) Any abnormal or defective development of a bone.
- other expenses — Other expenses are expenses that do not relate to a company's main business.
- other-directed — guided by a set of values that is derived from current trends or outward influences rather than from within oneself.
- out of nowhere — unexpectedly
- out of the ark — very old; out of date
- outer hebrides — a group of islands (Inner Hebrides and Outer Hebrides) off the W coast of and belonging to Scotland. About 2900 sq. mi. (7500 sq. km).
- over the fence — unreasonable, unfair, or unjust
- over the score — excessive; unfair
- overenthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.