20-letter words containing n, o, b, t

saint john ambulance — an organization that provides first aid and first-aid training
set the ball rolling — to open or initiate (an action, discussion, movement, etc)
short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
spectroscopic binary — a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
spontaneous abortion — miscarriage (def 1).
spontaneous-abortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
spotted crane's-bill — the American wild geranium, Geranium maculatum.
st. james-assiniboia — a city in SE Manitoba, in S central Canada: suburb of Winnipeg.
standard book number — International Standard Book Number. Abbreviation: SBN.
stefan-boltzmann law — the law stating that the total energy radiated from a blackbody is proportional to the fourth power of its absolute temperature.
step into the breach — If you step into the breach, you do a job or task which someone else was supposed to do or has done in the past, because they are suddenly unable to do it.
subjective intension — the associations that an expression has for an individual; the intension he believes it to have
subpoena duces tecum — a writ directing a person to appear in court and to bring some document described in the writ.
subscription edition — an edition of one or more volumes for which a number of prospective purchasers place orders, usually in advance of publication.
subscription library — a commercial lending library
tchebycheff equation — a differential equation of the form (1 − x 2) d 2 y/dx 2 − x dy/dx + n 2 y = 0, where n is any nonnegative integer.
telephone subscriber — a person who subscribes to a telephone service
television broadcast — sth shown on tv
tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
the toronto blessing — a variety of emotional reactions such as laughing, weeping, and fainting, experienced by participants in a form of charismatic Christian worship
therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
to be a one-man show — to be reliant on one person alone
to be a warning shot — to be a warning
to be on dinner duty — to be responsible for preparing an evening meal
to be walking on air — If you say that you are walking on air or floating on air, you mean that you feel extremely happy about something.
to bear the brunt of — To bear the brunt or take the brunt of something unpleasant means to suffer the main part or force of it.
to beat one's breast — If you say that someone beats their breast, you are emphasizing that they are very angry or upset about something, or that they are pretending to be very angry or upset about it.
to blow hot and cold — If someone blows hot and cold, they keep changing their attitude towards something, sometimes being very enthusiastic and at other times expressing no interest at all.
to bring up the rear — If a person or vehicle is bringing up the rear, they are the last person or vehicle in a moving line of them.
to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
to cross the rubicon — If you say that someone has crossed the Rubicon, you mean that they have reached a point where they cannot change a decision or course of action.
to get your bearings — to find out where one is or to find out what one should do next
to get your own back — If you get your own back on someone, you have your revenge on them because of something bad that they have done to you.
to have it in for sb — If someone has it in for you, they do not like you and they want to make life difficult for you.
to keep your balance — If you keep your balance, for example, when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
to sb's disadvantage — If something is to your disadvantage or works to your disadvantage, it creates difficulties for you.
to tighten your belt — If you have to tighten your belt, you have to spend less money and manage without things because you have less money than you used to have.
tomb of the unknowns — See under Unknown Soldier.
tropical disturbance — a very weak, or incipient, tropical cyclone.
twiddle one's thumbs — to turn about or play with lightly or idly, especially with the fingers; twirl.
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.
unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
upper income bracket — a grouping of the highest earning tax payers
vertical combination — the integration within one company of individual businesses working separately in related phases of the production and sale of a product.
walton and weybridge — a city in Surrey, SE England: a London suburb.
war of the rebellion — American Civil War.
war production board — the board (1942–45) that supervised and regulated the production and sale of matériel essential to the logistics of World War II. Abbreviation: WPB, W.P.B.
wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
watch someone's back — the rear part of the human body, extending from the neck to the lower end of the spine.

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