12-letter words containing a, r, i, o, s, t
- mycoparasite — a parasitic fungus whose host is another fungus.
- nailer joist — a steel joist having a permanently attached nailing strip, as for securing wooden flooring.
- neorealistic — Of or pertaining to neorealism.
- neotribalism — Ideology that humans have evolved to live in a tribal, as opposed to a modern society.
- nestorianism — one of a sect of followers of Nestorius who denied the hypostatic union and were represented as maintaining the existence of two distinct persons in Christ.
- neuropathies — Plural form of neuropathy.
- neuropathist — a specialist in treating diseases of the nervous system; a neurologist
- neuroplastic — Of or pertaining to neuroplasticity.
- nimbostratus — a cloud of a class characterized by a formless layer that is almost uniformly dark gray; a rain cloud of the layer type, of low altitude, usually below 8000 feet (2440 meters).
- nitrosamines — Plural form of nitrosamine.
- nitroscanate — The ether analogue of amoscanate, used in veterinary medicine as an anthelmintic.
- nitrous acid — an acid, HNO 2 , known only in solution.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- non-partisan — A person or group that is non-partisan does not support or help a particular political party or group.
- nonassertive — Not assertive.
- nonparasitic — Not parasitic.
- nonrealistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- nonresistant — not able, conditioned, or constructed to withstand the effect of something, as a disease, a specific change in temperature, or harsh treatment; susceptible to damage or ill effects.
- nonrestraint — absence or lack of restraint.
- nonsectarian — not affiliated with or limited to a specific religious denomination.
- nonspiritual — Not spiritual.
- nonsteroidal — of or relating to a substance that is not a steroid but has certain similar physiological effects.
- nonstrategic — pertaining to, characterized by, or of the nature of strategy: strategic movements.
- nonversation — A meaningless conversation.
- normalities' — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- north island — the northernmost principal island of New Zealand. 44,281 sq. mi. (114,690 sq. km).
- noticeboards — Plural form of noticeboard.
- nugatoriness — Quality of being nugatory.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- observations — Plural form of observation.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- octastrophic — having or containing eight verses or strophes
- olfactronics — the measurement and analysis of smells through instruments
- operationism — the doctrine that the meaning of a scientific term, concept, or proposition consists of the operation or operations performed in defining or demonstrating it.
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- ophiolatrous — of, relating to, or practising snake-worshipping
- opinionators — Plural form of opinionator.
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- oral history — information of historical or sociological importance obtained usually by tape-recorded interviews with persons whose experiences and memories are representative or whose lives have been of special significance.
- oral society — a society that has not developed literacy
- orange stick — a slender, rounded stick, originally of orangewood, having tapered ends and used in manicuring, especially to push back the cuticles or clean the fingernails.
- organisation — the act or process of organizing.
- orientations — Plural form of orientation.
- originations — Plural form of origination.
- orthoclastic — (of a crystal) having cleavages at right angles to each other.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.