21-letter words containing t, h, i, m

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
roman catholic church — the Christian church of which the pope, or bishop of Rome, is the supreme head.
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.
salam-weinberg theory — the electroweak theory.
sb/sth reigns supreme — Someone or something that reigns supreme is the most important or powerful element in a situation or period of time.
schema definition set — (SDS) Something in Portable Common Tool Environment.
sealed-beam headlight — a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
secure hash algorithm —
sherman antitrust act — an act of Congress (1890) prohibiting any contract, conspiracy, or combination of business interests in restraint of foreign or interstate trade.
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.
siamese fighting fish — a labyrinth fish, Betta splendens, that has been bred for centuries to develop brilliant coloration, very long fins, and pugnacity.
sick to one's stomach — afflicted with ill health or disease; ailing.
slatwall merchandiser — A slatwall merchandiser is a three-dimensional display unit with grooves cut into its surface into which metal hanging rails can be fixed at various heights.
sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
somatotrophic-hormone — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
something for nothing — If you say that someone is getting something for nothing, you disapprove of the fact that they are getting what they want without doing or giving anything in return.
splice the main brace — to join together or unite (two ropes or parts of a rope) by the interweaving of strands.
statistical mechanics — the science that deals with average properties of the molecules, atoms, or elementary particles in random motion in a system of many such particles and relates these properties to the thermodynamic and other macroscopic properties of the system.
swim against the tide — to resist prevailing opinion
sympathetic vibration — a vibration induced by resonance.
symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
the built environment — the buildings and all other things constructed by human beings
the executive mansion — the White House
the maastricht treaty — a treaty on European economic and monetary union agreed by government leaders of the 12 EC states at a meeting in Maastricht in December 1991
the man in the street — If you talk about the man in the street or the man or woman in the street, you mean ordinary people in general.
the microsoft network — (networking) (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
the middle of nowhere — remote place
the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
the student community — the body of students in further and higher education, considered as a whole
the supreme sacrifice — the sacrifice of one's life
therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
thermal decomposition — Thermal decomposition is the process in which a chemical species breaks down when its temperature is increased.
thermal power station — a power station in which heat is converted into electricity
thermoelectric couple — thermocouple.
thermoelectric effect — the production of an electromotive force in a thermocouple.
to be mixed up in sth — if you are mixed up in something, usually something bad, you are involved in it
to give the game away — If someone or something gives the game away, they reveal a secret or reveal their feelings, and this puts them at a disadvantage.
to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
to live hand to mouth — If someone lives hand to mouth or lives from hand to mouth, they have hardly enough food or money to live on.
to mix your metaphors — If you mix your metaphors, you use two conflicting metaphors. People do this accidentally, or sometimes deliberately as a joke.
to my way of thinking — You add to my way of thinking to a statement in order to indicate that you are giving your opinion.
to shoot from the hip — If you say that someone shoots from the hip or fires from the hip, you mean that they react to situations or give their opinion very quickly, without stopping to think.
trichloronitromethane — chloropicrin.
triethyl orthoformate — a colorless liquid, C 7 H 16 O 3 , used chiefly in organic synthesis.
tsutsugamushi disease — scrub typhus.
until the end of time — If you say that something will happen or be true until the end of time or to the end of time, you are emphasizing that it will always happen or always be true.
weinberg-salam theory — electroweak theory.
well-ordering theorem — the theorem of set theory that every set can be made a well-ordered set.
what price something? — what are the chances of something happening now?

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