13-letter words containing l, o, s, t, i
- observability — capable of being or liable to be observed; noticeable; visible; discernible: an observable change in attitude.
- observational — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obstetrically — (medicine) In terms of obstetrics.
- obstructively — In an obstructive manner.
- occasionalist — a person who subscribes to the theory of occasionalism
- occasionality — the condition or character of being infrequent or intended for a specific occasion, or that which is infrequent or intended for a specific occasion
- occidentalism — Occidental character or characteristics.
- odontoblastic — Relating to odontoblasts.
- off the rails — into or in a state of dysfunction or disorder
- oilspot glaze — a brown or black ceramic glaze dotted with silvery spots caused by impurities.
- old ritualist — Raskolnik.
- olfactologist — a medical specialist in the sense of smell
- oligopeptides — Plural form of oligopeptide.
- oligopolistic — the market condition that exists when there are few sellers, as a result of which they can greatly influence price and other market factors. Compare duopoly, monopoly (def 1).
- omnipresently — In an omnipresent manner.
- onanistically — In an onanistic manner.
- onomastically — In an onomastic way.
- onomatologist — One versed in the history of names.
- optical glass — any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.
- optical mouse — (hardware) Any kind of mouse that uses visible light or infrared to detect changes in its position.
- optical sound — sound recorded on and subsequently played back from an optical or photographic soundtrack, as opposed to a magnetic soundtrack.
- oral solution — An oral solution is a medicine in liquid form for drinking.
- orchestralist — a person who writes or arranges orchestral music
- orchidologist — someone who is knowledgeable in orchidology
- organ whistle — a steam or air whistle in which the jet is forced up against the thin edge of a pipe closed at the top.
- orgiastically — In an orgiastic fashion.
- originalities — Plural form of originality.
- ornamentalism — the desire or tendency to feature ornament in the design of buildings, interiors, furnishings, etc.
- ornamentalist — A person who ornaments.
- ornithologist — the branch of zoology that deals with birds.
- orthogonalise — to make (vectors, functions, etc.) orthogonal.
- orthosilicate — a silicate mineral
- oscillational — characterized by oscillation
- oscillometric — an instrument for measuring oscillations, especially those of the arterial pulse.
- ostensibility — The quality of being ostensible.
- osteomyelitis — an inflammation of the bone and bone marrow, usually caused by bacterial infection.
- osteoplasties — Plural form of osteoplasty.
- ostreiculture — the breeding of oysters
- otherworldish — characterized by otherworldliness
- outlaw strike — wildcat strike.
- outstandingly — prominent; conspicuous; striking: an outstanding example of courage.
- outwash plain — Geology. a broad, sloping landform built of coalesced deposits of outwash.
- overstability — the state of being excessively stable
- overstimulate — to stimulate too much
- ovipositional — pertaining to the laying of eggs through an ovipositor
- palaeocrystic — consisting of former glacial formation
- paleo-asiatic — a member of any of various Mongoloid peoples of northeastern Asia.
- palos heights — a city in NE Illinois, near Chicago.
- pantheologist — a student of, or expert in, pantheology
- papillomatous — a benign tumor of the skin or mucous membrane consisting of hypertrophied epithelial tissue, as a wart.