25-letter words containing a, s, h, d

on the big/small etc side — If you say that something is on the small side, you are saying politely that you think it is slightly too small. If you say that someone is on the young side, you are saying politely that you think they are slightly too young.
on the edge of one's seat — If you say that someone is on the edge of their seat or chair, you mean that they are very interested in what is happening or what is going to happen.
on the horns of a dilemma — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
on the side of the angels — If you say that someone is on the side of the angels, you believe very strongly that what they are doing is right.
on the understanding that — with the condition that; providing
oxidative phosphorylation — the aerobic synthesis, coupled to electron transport, of ATP from phosphate and ADP.
play into someone's hands — a dramatic composition or piece; drama.
preferred ordinary shares — shares issued by a company that rank between preference shares and ordinary shares in the payment of dividends
put one's head in a noose — to bring about one's own downfall
ram down someone's throat — the passage from the mouth to the stomach or to the lungs, including the pharynx, esophagus, larynx, and trachea.
ram's-head lady's-slipper — a rare, slender-stemmed orchid, Cypripedium arietinum, of northeastern North America, that has crimson-streaked, whitish-lipped flowers with purple sepals and grows in moist soil.
rate monotonic scheduling — (algorithm) A means of scheduling the time allocated to periodic hard-deadline real-time users of a resource. The users are assigned priorities such that a shorter fixed period between deadlines is associated with a higher priority. Rate monotonic scheduling provides a low-overhead, reasonably resource-efficient means of guaranteeing that all users will meet their deadlines provided that certain analytical equations are satisfied during the system design. It avoids the design complexity of time-line scheduling and the overhead of dynamic approaches such as earliest-deadline scheduling.
read someone the riot act — If someone in authority reads you the riot act, they tell you that you will be punished unless you start behaving properly.
saddle block (anesthesia) — a method of spinal anesthesia, often used during obstetric delivery, that produces anesthesia in that area of the body that would be in contact with a saddle during horseback riding
sequenced packet exchange — (networking, protocol) (SPX) A transport layer protocol built on top of IPX. SPX is used in Novell NetWare systems for communications in client/server application programs, e.g. BTRIEVE (ISAM manager). SPX is not used for connections to the file server itself; this uses NCP. It has been extended as SPX-II. SPX/IPX perform equivalent functions to TCP/IP.
stand in a person's light — to stand so as to obscure a person's vision
take sth under advisement — If someone in authority takes a matter under advisement, they decide that the matter needs to be considered more carefully, often by experts.
take up the cudgels (for) — to come to the defense (of)
tetragonal trisoctahedron — Geometry. a trisoctahedron the faces of which are quadrilaterals; trapezohedron.
the department of defense — the United States federal department concerned with national security
the empire state building — a very high skyscraper in New York City
the industrial revolution — the transformation in the 18th and 19th centuries of first Britain and then other W European countries and the US into industrial nations
the sands are running out — there is not much time left before death or the end
thermoluminescence dating — a method of dating archaeological specimens, chiefly pottery, by measuring the radiation given off by ceramic materials as they are heated.
throw one's weight around — the amount or quantity of heaviness or mass; amount a thing weighs.
to be in the catbird seat — to be in a very good situation
to be in the driving seat — If you say that someone is in the driving seat, you mean that they are in control in a situation.
to call something to mind — If something brings another thing to mind or calls another thing to mind, it makes you think of that other thing, usually because it is similar in some way.
to drink someone's health — When you drink to someone's health or drink their health, you have a drink as a sign of wishing them health and happiness.
to hold someone to ransom — If a kidnapper is holding someone to ransom or holding them ransom in British English, or is holding a person for ransom in American English, they keep that person prisoner until they are given what they want.
to read between the lines — If you read between the lines, you understand what someone really means, or what is really happening in a situation, even though it is not said openly.
to sail close to the wind — If you sail close to the wind, you take a risk by doing or saying something that may get you into trouble.
to sound the death knelll — If you say that something sounds the death knell for a particular person or thing, you mean it will cause that person or thing to fail, end, or cease to exist.
to take something as read — If you take something as read, you accept it as true or right and therefore feel that it does not need to be discussed or proved.
to tear someone to shreds — If you tear someone to shreds or rip them to shreds, you criticize them very thoroughly and severely.
track and field athletics — a collection of sporting events that involve running, sprinting, throwing, jumping and walking
transcendental-philosophy — transcendental character, thought, or language.
tribasic sodium phosphate — sodium phosphate (def 3).
under the aegis of sb/sth — Something that is done under the aegis of a person or organization is done with their official support and backing.
undisputed world champion — a boxer who holds the World Boxing Association, the World Boxing Council, the World Boxing Organization, and the International Boxing Federation world championship titles simultaneously
what is sb/sth doing here — If you ask what someone or something is doing in a particular place, you are asking why they are there.
white sands missile range — a U.S. Army military testing ground for rockets and guided missiles in SW New Mexico, W of Alamogordo.

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