20-letter words containing d, e, f, l, a
- software methodology — (programming) The study of how to navigate through each phase of the software process model (determining data, control, or uses hierarchies, partitioning functions, and allocating requirements) and how to represent phase products (structure charts, stimulus-response threads, and state transition diagrams).
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- spread like wildfire — If something, especially news or a rumour, spreads like wildfire, it spreads extremely quickly.
- the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
- the-lady-of-the-lake — a narrative poem (1810) by Sir Walter Scott.
- thomas of erceldoune — Thomas of, Thomas of Erceldoune.
- to fall on deaf ears — If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.
- to flog a dead horse — If you say that someone is flogging a dead horse, you mean that they are trying to achieve something impossible.
- to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
- uranium hexafluoride — a colorless, water-insoluble, crystalline, volatile solid, UF 6 , used in its gaseous state in separating uranium 235 from uranium.
- van der waals forces — weak electrostatic forces between atoms and molecules caused by transient distortions in the distribution of electrons in the interacting atoms or molecules
- vertical lift bridge — lift bridge.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing