9-letter words containing o, n, e, i, r
- iprindole — a tricyclic antidepressant drug. Formula: C19H28N2
- irenology — the study of peace
- iron blue — any of the class of blue pigments having a high tinting strength and ranging in shade and in coloring properties from reddish blue to jet blue: used chiefly in the manufacture of paints and printing inks.
- iron dome — Israel's mobile air defence system
- iron duke — 1st Duke of (Arthur Wellesley"the Iron Duke") 1769–1852, British general and statesman, born in Ireland: prime minister 1828–30.
- iron gate — a gorge cut by the Danube through the Carpathian Mountains, between Yugoslavia and SW Romania. 2 miles (3.2 km) long.
- iron grey — a neutral or dark grey colour
- ironsides — a strong person with great power of endurance or resistance.
- ironstone — any iron-bearing mineral or rock with siliceous impurities.
- isentrope — a line on a map or chart joining points having equal entropy.
- isochrone — a line, as on a map, connecting all points having some property simultaneously, as in having the same delay in receiving a radio signal from a given source or requiring the same time to be reached by available transportation from a given center.
- isopteran — a member of the order Isoptera which includes social, colonizing insects such as termites
- iteration — the act of repeating; a repetition.
- jargonise — Alternative form of jargonize.
- jargonize — to talk jargon or a jargon.
- jointress — a woman on whom a jointure has been settled.
- jointures — Plural form of jointure.
- jonquiere — a city in S Quebec, in E Canada.
- jottering — Misspelling of jotting.
- joyridden — Past participle of joyride.
- juniorate — a two-year course of study for a Jesuit novice in preparation for the course in philosophy.
- kairomone — A chemical substance emitted by an organism and detected by another of a different species that gains advantage from this, e.g., a parasite seeking a host.
- ketonuria — the presence of ketone bodies in the urine.
- kirilenko — Andrei Pavlovich [uhn-dryey puh-vlaw-vyich;; English ahn-drey pav-loh-vich] /ʌnˈdryeɪ pʌˈvlɔ vyɪtʃ;; English ˈɑn dreɪ pævˈloʊ vɪtʃ/ (Show IPA), 1906–90, Soviet government official.
- klondiker — an East European factory ship
- kol nidre — a liturgical prayer for recitation at the beginning of the service on the eve of Yom Kippur asking that all unfulfilled vows to God be nullified and all transgressions forgiven.
- komintern — Third International.
- konimeter — an instrument for measuring the amount of dust in the air.
- koshering — Present participle of kosher.
- legionary — of, relating to, or belonging to a legion.
- leinsdorf — Erich [er-ik;; German ey-rikh] /ˈɛr ɪk;; German ˈeɪ rɪx/ (Show IPA), 1912–1993, U.S. orchestra conductor, born in Austria.
- lentiform — lenticular.
- leo minor — a small faint constellation in the N hemisphere lying near Leo and Ursa Major
- licensors — Plural form of licensor.
- line drop — the decrease in voltage between two points on an electric line, often caused by resistance or leakage along the line.
- linotyper — a person who uses a Linotype printing machine
- lionheart — a person of exceptional courage and bravery.
- lohengrin — the son of Parzival, and a knight of the Holy Grail.
- loitering — to linger aimlessly or as if aimless in or about a place: to loiter around the bus terminal.
- lone pair — shoes, eyes
- longliner — a commercial fishing vessel that uses a longline.
- longtimer — One who has been a resident, member, etc. for a long time.
- madrileno — a native or inhabitant of Madrid, Spain.
- manticore — a legendary monster with a man's head, horns, a lion's body, and the tail of a dragon or, sometimes, a scorpion.
- masonried — built of masonry
- matronize — to cause to become matronly; cause to act as, or fulfill the role of, matron.
- mentorial — Of or relating to a mentor.
- mentoring — a wise and trusted counselor or teacher.
- merbromin — an iridescent green, water-soluble powder, C 2 0 H 8 Br 2 HgNa 2 O 6 , that forms a red solution when dissolved in water: used as an antiseptic and as a germicide.
- merocrine — (of the secretion of glands) characterized by formation of the product without undergoing disintegration