12-letter words containing e, r, o, s, i
- night person — a person who prefers to stay up late or who functions best during the nighttime hours.
- nitrosamines — Plural form of nitrosamine.
- nitroscanate — The ether analogue of amoscanate, used in veterinary medicine as an anthelmintic.
- nobel prizes — any of various awards made annually, beginning in 1901, from funds originally established by Alfred B. Nobel for outstanding achievement in physics, chemistry, medicine or physiology, literature, and the promotion of peace; an annual award in economics was established in 1969 from private funds.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- noise margin — (electronics) The voltage difference between the guaranteed output level and the required input voltage level of a logic gate.
- non sequitur — Logic. an inference or a conclusion that does not follow from the premises.
- non-resident — not resident in a particular place.
- non-residual — pertaining to or constituting a residue or remainder; remaining; leftover.
- nonassertive — Not assertive.
- nonbelievers — Plural form of nonbeliever.
- noncorrosive — That does not cause corrosion.
- nondescripts — Plural form of nondescript.
- noninsurance — the condition or state of not having insurance
- nonintrusive — tending or apt to intrude; coming without invitation or welcome: intrusive memories of a lost love.
- nonpasserine — (of a bird) not belonging or relating to the Passeriformes
- nonpurposive — lacking purpose
- nonrealistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- nonreligious — of, relating to, or concerned with religion: a religious holiday.
- nonresidence — (uncountable) The state or condition of being nonresident.
- nonresidents — Plural form of nonresident.
- nonresilient — Not resilient.
- 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.
- nonresisting — Unresisting; without resistance.
- nonrestraint — absence or lack of restraint.
- nonsectarian — not affiliated with or limited to a specific religious denomination.
- nonsovereign — Not sovereign.
- nonspherical — not spherical
- 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.
- nonsymmetric — Not symmetric; asymmetrical.
- nonuniversal — Not universal.
- nonversation — A meaningless conversation.
- nordic skier — a person who practises cross-country racing and ski-jumping
- normalities' — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- normotension — normal blood pressure
- normotensive — characterized by normal arterial tension or blood pressure.
- noticeboards — Plural form of noticeboard.
- nourishments — Plural form of nourishment.
- nugatoriness — Quality of being nugatory.
- numerologist — A practitioner of numerology.
- nursing home — a private residential institution equipped to care for persons unable to look after themselves, as the aged or chronically ill.
- obreptitious — having the characteristics of acquiring something by deceitful means
- observations — Plural form of observation.
- observership — someone or something that observes.
- obstetrician — a physician who specializes in obstetrics. Abbreviation: OB, ob.
- ochlocracies — Plural form of ochlocracy.
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- office hours — hours when a business is open
- oil minister — a government official responsible for the oil industry in their country