13-letter words containing o, f, e, n, s, i
- sign of peace — the liturgical practice of giving a sign of peace, union, or friendship, as a handshake or embrace, at some point in a Christian service, esp. in a Mass or Communion service
- soixante-neuf — sixty-nine (def 4).
- southern fish — the constellation Piscis Austrinus.
- space fiction — a book, film, TV series, etc, set in outer space
- specification — the act of specifying.
- spinuliferous — relating to a spine or spines
- splendiferous — splendid; magnificent; fine.
- sponge finger — sweet finger-shaped biscuit
- staff section — section (def 10b).
- staminiferous — bearing or having a stamen or stamens.
- state of mind — mental condition, mood
- step function — a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.
- stoloniferous — producing or bearing stolons.
- sunflower oil — oil obtained from sunflower seeds
- superfetation — the fertilization of an ovum in a female mammal already pregnant.
- surface noise — extraneous noise caused by physical wear or a physical flaw on a phonograph record or in a pickup system, rather than by a flaw in the equipment.
- testification — the act of testifying or giving testimony.
- tet offensive — an offensive by Vietcong and North Vietnamese forces against South Vietnamese and U.S. positions in South Vietnam, beginning on Jan. 31, 1968, the start of Tet.
- the offensive — an attitude or position of aggression
- think less of — to have a lower opinion of
- transfrontier — the part of a country that borders another country; boundary; border.
- undiscomfited — not discomfited; at ease
- unfashionable — observant of or conforming to the fashion; stylish: a fashionable young woman.
- unforeskinned — circumcised
- unpersonified — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- versification — the act of versifying.
- virgin forest — a forest in its natural state, before it has been explored or exploited by man
- zf expression — (programming) (After Zermelo Fränkel set theory). David Turner's name for list comprehension.