18-letter words containing d, c, f
- self-deprecatingly — in a self-deprecating manner
- self-transcendence — the quality or state of being transcendent.
- sense of direction — Your sense of direction is your ability to know roughly where you are, or which way to go, even when you are in an unfamiliar place.
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- sildenafil citrate — a white crystalline powder, C 22 H 30 N 6 O 4 S, that temporarily normalizes erectile function of the penis by blocking an enzyme known to inhibit the production of a chemical that causes erections: used in the form of a pill to treat impotence.
- skin friction drag — aerodynamic resistance or drag due to the contact of moving air with the surface of an airplane, a glider, etc.
- society of friends — a Christian denomination, founded in England c. 1650 by George Fox, that has no formal creed, liturgy, or priesthood and rejects violence in human relations, esp. warfare
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- stand confessed as — to be revealed or admitted as
- sulfuric anhydride — sulfur trioxide.
- the back of beyond — a very remote place
- ur of the chaldees — the city where Abraham was born, sometimes identified with the Sumerian city of Ur. Gen. 11:28, 31; 15:7; Neh. 9:7.
- vicar of wakefield — a novel (1766) by Goldsmith.
- video conferencing — the holding of videoconferences.
- vitamin deficiency — a lack of a vitamin or vitamins needed for good health
- vote of confidence — expression of trust in sb's abilities
- white-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- wildlife sanctuary — an area where wild animals and plants are protected