20-letter words containing str
- operational strategy — a plan or set of plans for successfully running a business, etc
- poisson distribution — a limiting form of the binomial probability distribution for small values of the probability of success and for large numbers of trials: particularly useful in industrial quality-control work and in radiation and bacteriological problems.
- precision instrument — finely-tuned device
- premenstrual tension — Premenstrual tension is the same as premenstrual syndrome. The abbreviation PMT is often used.
- prestressed concrete — concrete reinforced with wire strands, pretensioned or post-tensioned within their elastic limit to give an active resistance to loads.
- prosthetic dentistry — prosthodontics.
- public administrator — an official of a city, county, or state government.
- quaternary structure — the basic structural relationship of the components of a polypeptide, specifically, the type, number, and sequence of amino acids and nucleotides in the chain.
- restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
- restrictive covenant — a covenant with a clause that restricts the action of any party to it, especially an agreement among property owners not to sell to members of particular minority groups.
- restrictive practice — Restrictive practices are ways in which people involved in an industry, trade, or profession protect their own interests, rather than having a system which is fair to the public, employers, and other workers.
- serpentine stretcher — an X -stretcher having curved lines.
- specialist registrar — a hospital doctor senior to a house officer but junior to a consultant, specializing in medicine (medical specialist registrar), surgery (surgical specialist registrar), or some subspeciality of either
- straight as an arrow — direct, unwavering
- straight-cut tobacco — tobacco that is cut in such a way that it will lie flat.
- strawberry-raspberry — an arching, prickly, Japanese plant, Rubus illecebrosus, of the rose family, having an herbaceous stem, white, fragrant flowers, and large, edible, scarlet fruit.
- stress concentration — A stress concentration in a solid is a place where there is a lot of stress, either because a force is applied in a particular area or there is a change in the cross-sectional area.
- strike off the rolls — to expel from membership
- string correspondent — stringer (def 6).
- strong nuclear force — an interaction between elementary particles responsible for the forces between nucleons in the nucleus. It operates at distances less than about 10–15 metres, and is about a hundred times more powerful than the electromagnetic interaction
- structural isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
- terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
- tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
- the garment industry — the manufacturing of items of clothing
- the leisure industry — businesses such as cinemas, restaurants, sports facilities etc
- twelve-string guitar — an acoustic guitar having twelve strings instead of six, with each pair tuned an octave apart, and more difficult to play than the standard guitar.
- under/below strength — If an army or team is under strength or below strength, it does not have all the members that it needs or usually has.
- undistributed middle — Logic. a middle term of a syllogism that does not refer to its entire class in the major premise or minor premise, with the result that the syllogism is not valid.
- woman of the streets — a prostitute; streetwalker.