18-letter words containing i, r, d, o, c
- thirty-second rest — a rest equal in value to a thirty-second note.
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to cross your mind — If you say that an idea or possibility never crossed your mind, you mean that you did not think of it.
- traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
- triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
- ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
- under-compensation — to compensate or pay less than is fair, customary, or expected.
- under-depreciation — decrease in value due to wear and tear, decay, decline in price, etc.
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- vicar of wakefield — a novel (1766) by Goldsmith.
- video conferencing — the holding of videoconferences.
- video surveillance — a system of monitoring activity in an area or building using a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit
- videotape recorder — a device for recording television programs on magnetic tape for delayed transmission or for storage.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- 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.
- world championship — an international competition in a particular sport or activity for people all around the world