13-letter words containing h, i, t, r, a
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- in order that — used to introduce a clause of purpose
- inharmonicity — the quality of being inharmonic
- initial rhyme — beginning rhyme.
- interchanging — Present participle of interchange.
- interchondral — of or relating to cartilage or a cartilage.
- interwreathed — Simple past tense and past participle of interwreathe.
- into thin air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
- intrathecally — In an intrathecal way; into the spinal canal.
- intrathoracic — (anatomy) Within the thorax.
- irish pennant — an unwhipped rope end.
- ishihara test — a test for determining color blindness by means of a series of cards each having colored dots that form one pattern to the normal eye and a different pattern to the eye that is color-blind.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- johore strait — a narrow strait between Malaya and Singapore Island
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- kilowatt-hour — a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr.
- kindheartedly — In a kindhearted manner.
- kinematograph — cinematograph.
- kinesitherapy — a movement-based therapy
- kitchen paper — also kitchen roll
- kitchen range — cooker with oven and hob
- knight errant — a wandering knight; a knight who traveled widely in search of adventures, to exhibit military skill, to engage in chivalric deeds, etc.
- knight-errant — a wandering knight; a knight who traveled widely in search of adventures, to exhibit military skill, to engage in chivalric deeds, etc.
- kristallnacht — a Nazi pogrom throughout Germany and Austria on the night of November 9–10, 1938, during which Jews were killed and their property destroyed.
- labyrinthical — Labyrinthine; like or relating to a labyrinth.
- labyrinthitis — inflammation of the inner ear, or labyrinth, characterized by dizziness, nausea, and visual disturbances.
- ladder stitch — an embroidery stitch in which crossbars at equal distances are produced between two solid ridges of raised work.
- lateral chain — an open chain of atoms attached to an atom of a larger chain, or to a ring.
- lethargically — of, relating to, or affected with lethargy; drowsy; sluggish; apathetic.
- life-or-death — life-and-death.
- light mineral — any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.
- light railway — a transport system using small trains or trams, often serving parts of a large metropolitan area
- light reading — reading which is not considered too demanding or intellectual
- light therapy — therapeutic exposure to full-spectrum artificial light that simulates sunlight, used to treat various conditions, as seasonal affective disorder.
- light-hearted — carefree; cheerful; merry: a lighthearted laugh.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- lithographing — Present participle of lithograph.
- logarithmancy — Divination using logarithms.
- logical truth — the property of being logically tautologous
- lucifer match — friction match.
- macrolecithal — megalecithal.
- mantis shrimp — any stomatopod crustacean having a pair of appendages modified for grasping prey and resembling those of a mantis.
- mao inhibitor — any of various substances, as isocarboxazid and phenelzine, that block enzymatic breakdown of certain monoamine neurotransmitters: used to treat severe depression. Abbreviation: MAOI.
- marbled white — any butterfly of the satyrid genus Melanargia, with panelled black-and-white wings, but technically a brown butterfly; found in grassland
- maria theresa — 1717–80, archduchess of Austria; queen of Hungary and Bohemia 1740–80 (wife of Francis II; mother of Joseph II, Leopold II, Marie Antoinette).
- marsh trefoil — buck bean.
- martin luther — Martin [mahr-tn;; German mahr-teen] /ˈmɑr tn;; German ˈmɑr tin/ (Show IPA), 1483–1546, German theologian and author: leader, in Germany, of the Protestant Reformation.
- martini-henry — a breech-loaded .45 caliber rifle adopted in 1871 as the standard British service weapon, using a center-fire metallic cartridge filled with black powder.