13-letter words containing q, i, a, n
- interquartile — Situated between the first and third quartiles of a distribution.
- iran-iraq war — the war (1980–88) fought by Iran and Iraq, following the Iraqi invasion of disputed border territory in Iran. It ended indecisively with no important gains on either side: Iraq subsequently (1990) conceded the disputed territory
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- latin quarter — the quarter of Paris on the south side of the Seine, especially frequented for centuries by students, writers, and artists.
- light quantum — photon.
- liquefacients — Plural form of liquefacient.
- liquefactions — Plural form of liquefaction.
- liquification — Alternative form of liquefaction.
- magniloquence — speaking or expressed in a lofty or grandiose style; pompous; bombastic; boastful.
- main sequence — a narrow band in the Hertzsprung-Russell diagram in which 90 percent of all observed stars are plotted.
- nonequivalent — Not equivalent; different.
- nonsequential — characterized by regular sequence of parts.
- oblique angle — an angle that is not a right angle; an acute or obtuse angle.
- piano quartet — a musical composition scored for piano and three other instruments, typically violin, viola, and cello.
- piano quintet — a musical composition scored for a string quartet, or other combination of four instruments, and piano.
- plastoquinone — a quinone that occurs in the chloroplasts of plants and functions as an electron carrier during photosynthesis.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadrennially — Every four years.
- quadrigeminal — Having four parts, or two pairs.
- quadrilingual — using or involving four languages: a quadrilingual person; a quadrilingual translation of the Bible.
- quadrillionth — a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
- quadringenary — a 400th anniversary
- quadriphonics — quadraphony.
- quaking aspen — any of various poplars, as Populus tremula, of Europe, and P. tremuloides (quaking aspen) or P. alba (white aspen) of America, having soft wood and alternate ovate leaves that tremble in the slightest breeze.
- quaking grass — any of several grasses of the genus Briza, having spikelets with slender, drooping stalks.
- qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- qualifiedness — The property of being qualified (restricted or limited by conditions).
- quality point — Education. grade point.
- quantity mark — a mark that is placed above a vowel or syllable to indicate its duration or length
- quantivalence — quantitative equivalence
- quarantinable — Subject to quarantine; under quarantine.
- quarter grain — the grain appearing in quartersawed wood.
- quarter point — the fourth part of the distance between any two adjacent points of the 32 marked on a compass, being 2° 48′ 45″.
- quarter-final — A quarter-final is one of the four matches in a competition which decides which four players or teams will compete in the semi-final.
- quarterfinals — Plural form of quarterfinal.
- quartodeciman — one of a group of early Christians who observed Easter on the day of the Jewish Passover regardless of whether or not it was Sunday
- quaternionist — a mathematician who works with quaternions
- queer-bashing — the activity of making vicious and unprovoked verbal or physical assaults upon homosexuals or supposed homosexuals
- question mark — Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
- questionaries — Plural form of questionary.
- questionnaire — a list of questions, usually printed, submitted for replies that can be analyzed for usable information: a questionnaire used in market research.
- quincentenary — a 500th anniversary or its celebration.
- quincuncially — In a quincuncial fashion.
- quindecagonal — (geometry) Shaped like a quindecagon; fifteen-sided.
- quindecennial — of or relating to a period of 15 years or the 15th occurrence of a series, as an anniversary.
- quindicessima — (music) Two octaves higher. Marking indicates a passage to be transposed up two octaves. Abbreviation: 15ma.
- quinine water — carbonated water containing lemon, lime, sweetener, and quinine, often used as a mixer.
- quinquagenary — a 50th anniversary.
- quinquagesima — the Sunday before Lent; Shrove Sunday.
- quinquevalent — pentavalent.