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 There are 4 fourteen-letter words containing D, I, L, U and W| DOWNREGULATION | • downregulation n. (Biology) The suppression of a response to a stimulus. • downregulation n. (Genetics) The process, in the regulation of gene expression, in which the number, or activity of receptors…
 • down-regulation n. Alternative spelling of downregulation.
 |  | ULTRAWIDEBANDS | • ULTRAWIDEBAND n. a very broad bandwidth. |  | UNTOWARDLINESS | • untowardliness n. The quality of being untowardly. • UNTOWARDLINESS n. the state of being untowardly.
 |  | UNWIELDINESSES | • unwieldinesses n. Plural of unwieldiness. • UNWIELDINESS n. the state of being unwieldy.
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 Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.Definitions are short excerpt from the WikWik.org and 1Word.ws.
 
 See this list for:English Wiktionary: 90 wordsScrabble in French: 1 wordScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: 5 words
 
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