21-letter words containing duc
- assisted reproduction — the use of medical techniques to bring about the conception and birth of a child, including artificial insemination, in vitro fertilization, egg and embryo donation, and drug therapy.
- bad conduct discharge — a discharge of a person from military service for an offense less serious than one for which a dishonorable discharge is given.
- conductivity improver — A conductivity improver is a substance used to get rid of static electrical charge in fuel, and improve the flow of the fuel.
- conjunction-reduction — a rule that reduces coordinate sentences, applied, for example, to convert John lives in Ireland and Brian lives in Ireland into John and Brian live in Ireland
- development education — an area of study that aims to give pupils an understanding of their involvement in world affairs
- duccio di buoninsegna — c1255–1319? Italian painter.
- educational sociology — the application of sociological principles and methods to the solution of problems in an educational system.
- hypothetico-deductive — pertaining to or governed by the supposed method of scientific progress whereby a general hypothesis is tested by deducing predictions that may be experimentally tested. When such a prediction is falsified the theory is rejected and a new hypothesis is required
- induced radioactivity — artificial radioactivity.
- induction loop system — a system enabling partially deaf people to hear dialogue and sound in theatres, cinemas, etc, consisting of a loop of wire placed round the perimeter of a designated area. This emits an electromagnetic signal which is picked up by a hearing aid
- industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives
- needs no introduction — If you say that someone or something needs no introduction, you mean that they are so well known that everyone knows who or what they are.
- production department — the department of a business or organization responsible for manufacturing products
- progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
- reduced circumstances — If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.
- s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
- scalar triple product — the volume of the parallelepiped defined by three given vectors, u, v, and w, usually represented as u·v 1 (v×w), [ uvw ], or (uvw), where × denotes a cross product and · denotes an inner product.
- snr bandwidth product — (communications) The integral of the SNR over frequency. The SNR bandwidth product is an important limit in the capacity of a communication channel.
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