17-letter words containing r, a, t, i, f
- unofficial strike — a strike that is not approved by the strikers' trade union
- vibrofluidization — Vibrofluidization is when vibration is used to make particles move in a fluidized bed.
- wage differential — the difference in wages between workers with different skills in the same industry or between those with comparable skills in different industries or localities
- waiting for godot — a play (1952) by Samuel Beckett.
- water lily family — the plant family Nymphaeaceae, characterized by aquatic herbaceous plants having usually broad leaves, solitary, often showy flowers, and fruit in a variety of forms, and including the lotus (genus Nelumbo), spatterdock, water lily, and water shield.
- wedding breakfast — meal served at wedding reception
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- with a difference — If you describe a job or holiday, for example, as a job with a difference or a holiday with a difference, you mean that the job or holiday is very interesting and unusual.
- with half a heart — halfheartedly
- x-ray diffraction — diffraction of x-rays by the regularly spaced atoms of a crystal, useful for determining the arrangement of the atoms.