17-letter words containing m, o, n, f, i, l
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- saint elmo's fire — corona discharge.
- self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
- self-condemnation — the act of condemning.
- self-confirmation — the act of confirming.
- self-emancipation — the act of emancipating.
- self-incompatible — not capable of self-pollination.
- semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- south farmingdale — a town on central Long Island, in SE New York.
- terminal platform — (in the oil industry) an offshore platform from which oil or gas is pumped ashore through a pipeline
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- velocity of money — the frequency with which a single unit of currency or the total money supply turns over within the economy in a given year.
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.
- wisdom of solomon — a book of the Apocrypha.