18-letter words containing h, e, l, m, i
- solemn (high) mass — a highly ceremonial Mass with parts of the text sung by the celebrant, with a deacon and subdeacon assisting at the ceremonies, and with choir singing and organ music
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- stinking chamomile — mayweed.
- stoichiometrically — of or relating to stoichiometry.
- stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
- super middleweight — a boxer weighing up to 168 pounds (75.6 kg), between middleweight and light heavyweight.
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- take it on the lam — a hasty escape; flight.
- the beautiful game — football
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the bottomless pit — the underworld; hell
- the dismal science — a name for economics coined by Thomas Carlyle
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- the magnolia state — a nickname referring to Mississippi
- the masurian lakes — a group of lakes in Masuria in NE Poland: scene of Russian defeats by the Germans (1914, 1915) during World War I
- the middle passage — the journey across the Atlantic Ocean from the W coast of Africa to the Caribbean: the longest part of the journey of the slave ships sailing to the Caribbean or the Americas
- the-master-builder — a play (1892) by Ibsen.
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- thermoluminescence — phosphorescence produced by the heating of a substance.
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- to raise the alarm — If you raise the alarm or sound the alarm, you warn people of danger.
- 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.
- vermilion rockfish — a scarlet-red rockfish, Sebastes miniatus, inhabiting waters along the Pacific coast of North America, important as a food fish.
- vitamin a aldehyde — retinal2 .
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- white trumpet lily — a lily, Lilium longiflorum, of Japan, having fragrant, pure white, trumpet-shaped flowers nearly 7 inches (18 cm) in length.
- white-collar crime — any of various crimes, as embezzlement, fraud, or stealing office equipment, committed by business or professional people while working at their occupations.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- witch hazel family — the plant family Hamamelidaceae, characterized by trees and shrubs having alternate, simple leaves, flowers in clusters or heads, and fruit in the form of a double-beaked woody capsule, and including the sweet gum, witch alder, and witch hazel.