13-letter words containing a, t, l, n, i, s
- inelastically — In an inelastic way.
- inertial mass — the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity.
- inessentially — In an inessential way.
- inexhaustible — not exhaustible; incapable of being depleted: an inexhaustible supply.
- inexhaustibly — not exhaustible; incapable of being depleted: an inexhaustible supply.
- infant school — In Britain, an infant school is a school for children between the ages of five and seven.
- infeasibility — not feasible; impracticable.
- infiltrations — Plural form of infiltration.
- infinitesimal — indefinitely or exceedingly small; minute: infinitesimal vessels in the circulatory system.
- inflammations — Plural form of inflammation.
- informalities — Plural form of informality.
- inhospitality — lack of hospitality; inhospitable attitude toward or treatment of visitors, guests, etc.
- inline skates — a roller skate with typically four hard-rubber wheels in a straight line resembling the blade of an ice skate.
- inquisitional — Of or pertaining to an inquisition.
- inquisitorial — of or relating to an inquisitor or inquisition.
- insatiability — not satiable; incapable of being satisfied or appeased: insatiable hunger for knowledge.
- inscriptional — Of or pertaining to inscription.
- inset initial — an initial letter, especially of the first word of a chapter or other section of a book, magazine, etc., larger than the body type and occupying two or more lines in depth, causing body type to be set around it.
- insinuatingly — tending to instill doubts, distrust, etc.; suggestive: an insinuating letter.
- insociability — the state or quality of being insociable
- inspirational — imparting inspiration.
- instabilities — Plural form of instability.
- installations — Plural form of installation.
- instinctually — of, relating to, or of the nature of instinct.
- institutional — of, relating to, or established by institution.
- instructional — the act or practice of instructing or teaching; education.
- instrumentals — Plural form of instrumental.
- insubstantial — not substantial or real; lacking substance: an insubstantial world of dreams.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- insupportably — In an insupportable manner.
- integral test — the theorem that a given infinite series converges if the function whose value at each integer is the corresponding term in the series is decreasing, tends to zero, and results in a finite number when integrated from one to infinity.
- intellectuals — Plural form of intellectual.
- intensionally — (philosophy) With respect to intension.
- interglacials — Plural form of interglacial.
- intermodalism — pertaining to or suitable for transportation involving more than one form of carrier, as truck and rail, or truck, ship, and rail.
- intermuscular — of or relating to muscle or the muscles: muscular strain.
- internalising — Present participle of internalise.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- interpersonal — of or pertaining to the relations between persons: He has strong interpersonal skills.
- interpilaster — a space between two pilasters
- interpleaders — Plural form of interpleader.
- interscapular — between the scapulae or shoulder blades.
- intersexually — In an intersexual way.
- intersidereal — interstellar
- intersocietal — noting or pertaining to large social groups, or to their activities, customs, etc.
- interstellary — interstellar
- interstitials — Plural form of interstitial.
- intracapsular — Within a capsule.
- intramuscular — located or occurring within a muscle.