18-letter words containing e, a, s, t, f
- transfinite number — an infinite cardinal or ordinal number.
- transrectification — rectification occurring in one circuit as a result of the application of an alternating voltage to another circuit.
- treasury of merits — the superabundant store of merits and satisfactions, comprising those of Christ, the Virgin Mary, and the saints.
- treaty of rijswijk — a treaty signed at Rijswijk in the Netherlands in 1697, ending the War of the Grand Alliance
- triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
- under the aegis of — guided or protected by
- university faculty — a division within a university comprising one subject area, or a number of related subject areas
- 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.
- warrant of fitness — a six-monthly certificate required for motor vehicles certifying mechanical soundness
- weather forecaster — meteorologist
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- wildlife sanctuary — an area where wild animals and plants are protected
- woman of the house — lady of the house.
- writ of assistance — a writ issued by a superior colonial court authorizing officers of the British crown to summon aid and enter and search any premises.
- zone of saturation — the ground below the water table