17-letter words containing n, u, f, i, e, l
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- unofficial strike — a strike that is not approved by the strikers' trade union
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- unselfconsciously — in an unselfconscious manner
- vanilla-flavoured — having been flavoured with vanilla extract or essence