19-letter words containing l, a, y, f, o
- sea of tranquillity — Astronomy. Mare Tranquillitatis.
- self-congratulatory — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- tetrafluoroethylene — a colorless, water-insoluble, flammable gas, C 2 F 4 , used in the synthesis of certain polymeric resins, as Teflon.
- tetralogy of fallot — a congenital malformation of the heart characterized by an abnormal opening in the septum dividing the ventricles, misplacement of the aorta so that it receives blood from both ventricles instead of only the left ventricle, narrowing of the pulmonary artery, and enlargement of the right ventricle.
- valley of the kings — a valley on the west bank of the Nile near the site of Thebes: the necropolis of many of the kings and queens of the 18th and 19th dynasties of ancient Egypt, c1350–c1200 b.c.
- world day of prayer — the first Friday in Lent, during which Christians belonging to ecumenical communions pray for foreign missions.
- wouldn't harm a fly — If you say that someone wouldn't hurt a fly or wouldn't harm a fly, you are emphasizing that they are very kind and gentle.
- yellowtail flounder — a righteyed flounder, Limanda ferruginea, inhabiting waters along the Atlantic coast of North America, having a yellowish tail fin and rusty-red spots on the body: once commercially important, now greatly reduced in number.
- yellowtail kingfish — a large carangid game fish, Seriola grandis, of S Australian waters