18-letter words containing a, d, h, o, m, i
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- mohammed ibn-kasim — flourished early 8th century a.d, Muslim conqueror of the Sind region in India.
- morphine addiction — the fact or condition of being addicted to morphine
- mucopolysaccharide — (formerly) glycosaminoglycan.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- pyromucic aldehyde — furfural.
- rheims-douay bible — Douay Bible.
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- september holidays — a period of time in September when people do not have to go to school, college or work
- sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
- sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
- southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
- tan someone's hide — to convert (a hide) into leather, especially by soaking or steeping in a bath prepared from tanbark or synthetically.
- the damage is done — If you say 'the damage is done', you mean that it is too late now to prevent the harmful effects of something that has already happened.
- the hand of fatima — a symbol of a hand used in some Arabic countries to protect against the evil eye, a magical power
- thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
- thomas alva edison — Thomas Alva [al-vuh] /ˈæl və/ (Show IPA), 1847–1931, U.S. inventor, especially of electrical devices.
- urban homesteading — homesteading (def 2).
- watchdog committee — a committee responsible for monitoring standards of behaviour
- 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.
- withdrawal symptom — effects of stopping a drug
- world championship — an international competition in a particular sport or activity for people all around the world