12-letter words containing a, t, i, s, u
- neutral axis — an imaginary line in the cross section of a beam, shaft, or the like, along which no stresses occur.
- neutralising — Present participle of neutralise.
- neutralistic — Employing or relating to neutralism.
- 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).
- nitrous acid — an acid, HNO 2 , known only in solution.
- noctambulism — somnambulism.
- noctambulist — somnambulism.
- noncausative — Not causative.
- noncustodial — Not having custody of one’s children after a divorce.
- nondualistic — of, relating to, or of the nature of dualism.
- nonspiritual — Not spiritual.
- nonvexatious — Not vexatious.
- nucleotidase — a biochemical catalyst that facilitates the process of hydrolyzing or splitting a nucleotide and turning it into a phosphate and a nucleoside
- nugatoriness — Quality of being nugatory.
- nuisance tax — a tax paid in small but frequent amounts, usually by consumers.
- numismatical — Alternative form of numismatic.
- numismatists — Plural form of numismatist.
- nuptial mass — a special mass said at a wedding.
- obfuscations — to confuse, bewilder, or stupefy.
- obscurantism — opposition to the increase and spread of knowledge.
- obscurantist — opposition to the increase and spread of knowledge.
- obscurations — Plural form of obscuration.
- octastichous — relating to a particular coiled distribution of leaves on the stem that is characterized by having eight leaves per coil on the stem
- ophiolatrous — of, relating to, or practising snake-worshipping
- optoacoustic — relating to the relationship between light and sound
- ostentatious — characterized by or given to pretentious or conspicuous show in an attempt to impress others: an ostentatious dresser.
- otacousticon — (now rare) An instrument to aid hearing, such as an ear trumpet or hearing aid.
- outdistanced — Simple past tense and past participle of outdistance.
- outdistances — Third-person singular simple present indicative form of outdistance.
- outlandishly — In an outlandish manner.
- outside lane — the lane on a motorway where overtaking of other vehicles is permitted and vehicles can travel fastest
- outsider art — art produced by untutored artists working by themselves and for themselves
- outspreading — Present participle of outspread.
- outstandings — Outstanding amounts; unpaid debts.
- overcautious — excessively or unnecessarily cautious: Sometimes it doesn't pay to be overcautious in business.
- pansexualist — someone who is pansexual
- pansexuality — Psychiatry. pertaining to the theory that all human behavior is based on sexuality.
- particulates — very small particles of a substance, esp those that are produced when fuel is burned
- passionfruit — any edible fruit of a passionflower, as the maypop.
- pasteurising — to expose (a food, as milk, cheese, yogurt, beer, or wine) to an elevated temperature for a period of time sufficient to destroy certain microorganisms, as those that can produce disease or cause spoilage or undesirable fermentation of food, without radically altering taste or quality.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- paying guest — lodger
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- perpetualism — a belief in the permanence of a given thing; the belief that a given thing (e.g. the world, a political system) will last forever
- perpetualist — someone who holds to any form of perpetualism
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- petaliferous — bearing or having petals.
- petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
- phosphaturia — the presence of an excessive quantity of phosphates in the urine.
- picture sash — a large window sash, as for a picture window.