12-letter words containing f, a, l, c, u
- unclassified — not assigned to a class or category; not arranged according to characteristics: Reported instances fall into two main types, with a few unclassified anomalies.
- unconfinable — not able to be bound
- unconfutable — to prove to be false, invalid, or defective; disprove: to confute an argument.
- unfunctional — of or relating to a function or functions: functional difficulties in the administration.
- ungracefully — in an ungraceful manner
- unifactorial — of or relating to a single gene.
- unpeacefully — in an unpeaceful manner
- unwatchfully — in an unwatchful manner
- vacuum flask — A vacuum flask is a container which is used to keep hot drinks hot or cold drinks cold. It has two thin silvery glass walls with a vacuum between them.
- watchfulness — vigilant or alert; closely observant: The sentry remained watchful throughout the night.
- zinc sulfate — a colorless, crystalline, water-soluble powder, ZnSO 4 ⋅7H 2 O, used for preserving skins and wood, in the electrodeposition of zinc, in the bleaching of paper, as a mordant in calico printing, and in medicine as an astringent, styptic, and emetic.