13-letter words containing r, e, u, t, l, i
- indolebutyric — as in indolebutyric acid, a synthetic plant growth regulator
- industrialise — Non-Oxford British standard spelling of industrialize.
- industrialize — to introduce industry into (an area) on a large scale.
- inequilateral — not equilateral; having unequal sides.
- inobtrusively — in an unobtrusive manner
- inopportunely — In an inopportune manner.
- instructively — In an instructive manner.
- instrumentals — Plural form of instrumental.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- intercellular — situated between or among cells.
- intercommunal — used or shared in common by everyone in a group: a communal jug of wine.
- intercultural — pertaining to or taking place between two or more cultures: intercultural exchanges in music and art.
- intergranular — located or occurring between granules or grains: intergranular corrosion.
- interjaculate — (transitive) To ejaculate (a remark, etc.) parenthetically.
- interlanguage — a language created or used for international communication.
- interleukin 1 — any of several proteins released from certain cells, especially macrophages, and having various effects on the activity of other cells, as promoting inflammation or enhancing T-cell proliferation. Abbreviation: IL-1.
- interleukin 2 — Immunology. a lymphokine protein, secreted by T cells in response to antigen and interleukin 1, that stimulates the proliferation of T cells.
- interleukin 3 — a lymphokine protein, secreted by T cells, that participates in the regulation of blood-cell production. Abbreviation: IL-3.
- interleukin-1 — any of several proteins released from certain cells, especially macrophages, and having various effects on the activity of other cells, as promoting inflammation or enhancing T-cell proliferation. Abbreviation: IL-1.
- interleukin-2 — Immunology. a lymphokine protein, secreted by T cells in response to antigen and interleukin 1, that stimulates the proliferation of T cells.
- interleukin-3 — a lymphokine protein, secreted by T cells, that participates in the regulation of blood-cell production. Abbreviation: IL-3.
- interlocution — conversation; dialogue.
- interlocutors — a person who takes part in a conversation or dialogue.
- interlocutory — of the nature of, pertaining to, or occurring in conversation: interlocutory instruction.
- interlocutrix — A female interlocutor.
- interlunation — the interlunar period.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- interneuronal — (neurology) Between neurons.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- interquartile — Situated between the first and third quartiles of a distribution.
- interreligous — Between religions.
- interruptedly — In an interrupted manner.
- interruptible — to cause or make a break in the continuity or uniformity of (a course, process, condition, etc.).
- interscapular — between the scapulae or shoulder blades.
- intersexually — In an intersexual way.
- interstimulus — being, or relating to, the interval between the occurrence of two stimuli in a psychological experiment
- intervalvular — Between valves.
- intervolution — (rare) The state of being intervolved or coiled up; a convolution; as, the intervolutions of a snake.
- intracellular — within a cell or cells.
- intratelluric — Geology. located in, taking place in, or resulting from action beneath the lithosphere.
- intravenously — through or within a vein. Abbreviation: IV.
- involute gear — a gear tooth form that is generated by involute geometry
- latin quarter — the quarter of Paris on the south side of the Seine, especially frequented for centuries by students, writers, and artists.
- lectisternium — (in ancient Rome) a religious rite in which the images of the gods were placed upon couches around a table, upon which was set a feast
- lepidopterous — belonging or pertaining to the Lepidoptera, an order of insects comprising the butterflies, moths, and skippers, that in the adult state have four membranous wings more or less covered with small scales.
- leptokurtosis — the state of being leptokurtic.
- leptokurtotic — (statistics) Leptokurtic.
- letter ruling — a written ruling sent by the U.S. Internal Revenue Service in response to a query concerning the application of the tax laws to a specific situation.
- leucitohedron — a trapezohedron