18-letter words containing i, n, t, a, l, m
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- timber rattlesnake — a rattlesnake, Crotalus horridus horridus, of the eastern U.S., usually having the body marked with dark crossbands.
- transition element — any element in any of the series of elements with atomic numbers 21–29, 39–47, 57–79, and 89–107, that in a given inner orbital has less than a full quota of electrons.
- traveling salesman — a male representative of a business firm who travels in an assigned territory soliciting orders for a company's products or services.
- triarylmethane dye — any of the class of dyes containing three aryl groups attached to a central carbon atom: used chiefly for dyeing cotton, wool, and silk.
- unit magnetic pole — the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
- victor emmanuel ii — 1820–78, king of Sardinia 1849–78; first king of Italy 1861–78.
- vitamin a aldehyde — retinal2 .
- vitelline membrane — the membrane surrounding the egg yolk.
- wandering minstrel — travelling performer
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- women's liberation — a movement to combat sexual discrimination and to gain full legal, economic, vocational, educational, and social rights and opportunities for women, equal to those of men.
- wrangell mountains — a mountain range in SE Alaska, extending into the Yukon, Canada. Highest peak: Mount Blackburn, 5037 m (16 523 ft)