18-letter words containing l, a, c, e, i, k
- societal marketing — marketing that takes into account society's long-term welfare
- stinking chamomile — mayweed.
- stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
- technical knockout — the termination of a bout by the referee when it is the judgment of the attending physician, a boxer's seconds, or the referee that a boxer cannot continue fighting without sustaining severe or disabling injury. Abbreviation: TKO, T.K.O.
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the-cocktail-party — a play in verse (1950) by T. S. Eliot.
- tick all the boxes — to satisfy all of the apparent requirements for success
- to lick into shape — If you lick, knock, or whip someone or something into shape, you use whatever methods are necessary to change or improve them so that they are in the condition that you want them to be in.
- trickle irrigation — drip irrigation.
- vicar of wakefield — a novel (1766) by Goldsmith.
- 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.