21-letter words containing t, h, o
- push the panic button — an alarm button for use in an emergency, as to summon help.
- put something over on — to deceive; trick
- queer someone's pitch — to upset someone's plans
- ralph roister doister — a play (1553?) by Nicholas Udall: the earliest known English comedy.
- rap over the knuckles — to reprimand
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
- reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
- record of achievement — a statement of the personal and educational development of each pupil
- rectangular hyperbola — a hyperbola with perpendicular asymptotes
- rehabilitation centre — a centre or clinic where people with an alcohol or drug addiction are treated
- reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
- replacement algorithm — The method used to determine which entry in an associative cache to flush to main memory when it is desired to cache a new block of data. The "least recently used" algorithm flushed the block which has not been accessed for the longest time. A random replacement algorithm picks any block with equal probability.
- return the compliment — repay sb's kindness with a kind act
- reverberation chamber — a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting
- reverse polish syntax — postfix notation
- ring down the curtain — to lower the curtain at the end of a theatrical performance
- ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
- roll with the punches — a thrusting blow, especially with the fist.
- rolling in the aisles — (of an audience) overcome with laughter
- roman catholic church — the Christian church of which the pope, or bishop of Rome, is the supreme head.
- rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
- 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.
- safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
- saint anthony's cross — tau cross.
- salam-weinberg theory — the electroweak theory.
- satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
- schema definition set — (SDS) Something in Portable Common Tool Environment.
- schlieren photography — a type of photography which records schlieren
- scholastic philosophy — the system of philosophy, theology, and teaching that dominated medieval western Europe and was based on the writings of the Church Fathers and (from the 12th century) Aristotle, the Greek philosopher (384–322 bc)
- school of the soldier — an institution where instruction is given, especially to persons under college age: The children are at school.
- school superintendent — an official whose job is to oversee school administration within a district
- scorched earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
- scorched-earth policy — a military practice of devastating the property and agriculture of an area before abandoning it to an advancing enemy.
- second-hand endowment — A second-hand endowment is a traditional with-profits endowment policy that has been sold to a new owner part way through its term.
- secure hash algorithm —
- self-characterization — portrayal; description: the actor's characterization of a politician.
- set the scene for sth — Something that sets the scene for a particular event creates the conditions in which the event is likely to happen.
- set the world on fire — the earth or globe, considered as a planet.
- settle someone's hash — a dish of diced or chopped meat and often vegetables, as of leftover corned beef or veal and potatoes, sautéed in a frying pan or of meat, potatoes, and carrots cooked together in gravy.
- she stoops to conquer — a comedy (1773) by Oliver Goldsmith.
- sheppard's correction — a method of correcting the bias in standard deviations and higher moments of distributions that arises from grouping values of the variable.
- shoot off one's mouth — to hit, wound, damage, kill, or destroy with a missile discharged from a weapon.
- shoot one's mouth off — to talk indiscreetly
- short circuit current — A short circuit current is an overcurrent resulting from a short circuit.
- short message service — (messaging) (SMS) A message service offered by the GSM digital mobile telephone system. Using SMS, a short alphanumeric message (160 alphanumeric characters) can be sent to a mobile phone to be displayed there, much like in an alphanumeric pager system. The message is buffered by the GSM network until the phone becomes active.
- show someone the door — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- sick to one's stomach — afflicted with ill health or disease; ailing.
- sieve of eratosthenes — a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
- silicon tetrachloride — a colorless, fuming liquid, SiCl 4 , used chiefly for making smoke screens and various derivatives of silicon.