18-letter words containing i, d, y, l, s, t
- self-deprecatingly — in a self-deprecating manner
- september holidays — a period of time in September when people do not have to go to school, college or work
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- sodium hyposulfite — sodium thiosulfate.
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- street credibility — street cred.
- the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
- the hotel industry — the branch of the services industry which provides hotels
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to gird your loins — If you gird your loins, you prepare to do something difficult or dangerous.
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- wildlife sanctuary — an area where wild animals and plants are protected
- withdrawal symptom — effects of stopping a drug
- yeast nucleic acid — RNA.