13-letter words containing o, s, m, t, i
- irrationalism — irrationality in thought or action.
- isobarometric — isobaric
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isodrosotherm — a line on a weather map or chart connecting points having an equal dew point.
- isomerization — (chemistry) the conversion of a compound into a different isomeric form.
- isometrically — of, relating to, or having equality of measure.
- isosmotically — With the same osmotic pressure.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- jejunostomies — Plural form of jejunostomy.
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- keratomycosis — Fungal infection of the cornea.
- kleptomaniacs — Plural form of kleptomaniac.
- laminectomies — Plural form of laminectomy.
- laryngotomies — Plural form of laryngotomy.
- leiomyomatous — a benign tumor composed of nonstriated muscular tissue.
- leptomeninges — The inner two meninges, the arachnoid and the pia mater, between which circulates the cerebrospinal fluid.
- libel tourism — the act of suing a writer for alleged defamation in a foreign jurisdiction where there are weak libel laws.
- liberationism — the principles of liberationists
- lighthouseman — a lighthouse keeper
- lightsomeness — (archaic) The quality of being lightsome.
- lithesomeness — the quality of being flexible and supple
- lymphatolysis — destruction of lymphatic vessels or of lymphoid tissue.
- lymphoblastic — (US, cytology, immunology) Of or pertaining to a lymphoblast.
- lymphocytosis — an abnormal increase in the number of lymphocytes in the blood.
- lymphomatosis — lymphoma spread throughout the body.
- macroclimates — Plural form of macroclimate.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- magnetiferous — (dated) Producing or conducting magnetism.
- magnetisation — Alternative spelling of magnetization.
- magnetooptics — the branch of physics that deals with magnetooptic phenomena.
- magnetostatic — Of or pertaining to magnetostatics.
- magnitudinous — size; extent; dimensions: to determine the magnitude of an angle.
- make position — the situation in which a short vowel may be regarded as long, that is, when it occurs before two or more consonants
- malabsorbtion — Misspelling of malabsorption.
- malabsorption — faulty absorption of nutritive material from the intestine.
- maladroitness — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- malapropistic — an act or habit of misusing words ridiculously, especially by the confusion of words that are similar in sound.
- malariologist — An expert in malaria.
- malformations — Plural form of malformation.
- mammoplasties — Plural form of mammoplasty.
- mandatoriness — The quality or state of being mandatory.
- manifestation — an act of manifesting.
- manipulations — Plural form of manipulation.
- mansplanation — Also called mansplanation [man-spluh-ney-shuh n] /ˌmæn spləˈneɪ ʃən/ (Show IPA). such an explanation given to someone, usually a woman.
- manufactories — Plural form of manufactory.
- marginal cost — the cost of one additional unit of any item produced or bought in quantity.
- marketisation — Alternative spelling of marketization.
- marsh trefoil — buck bean.
- martyrologies — Plural form of martyrology.
- massification — the practice of making luxury products available to the mass market