20-letter words containing o, a

theory of relativity — relativity (def 2).
theosophical society — a society founded by Madame Blavatsky and others, in New York in 1875, advocating a worldwide eclectic religion based largely on Brahmanic and Buddhistic teachings.
therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
there is no call for — If you say that there is no call for someone to behave in a particular way, you are criticizing their behaviour, usually because you think it is rude.
there's no mistaking — You can say there is no mistaking something when you are emphasizing that you cannot fail to recognize or understand it.
theresa of avila, st — Saint. Also, Teresa. Also called Theresa of Avila [ah-vee-lah] /ˈɑ viˌlɑ/ (Show IPA), 1515–82, Spanish Carmelite nun, mystic, and writer.
thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
thiamine mononitrate — a white, crystalline, water-soluble compound of the vitamin-B complex, containing a thiazole and a pyrimidine group, C 12 H 17 ClN 4 OS, essential for normal functioning of the nervous system, a deficiency of which results chiefly in beriberi and other nerve disorders: occurring in many natural sources, as green peas, liver, and especially the seed coats of cereal grains, the commercial product of which is chiefly synthesized in the form of its chloride (thiamine chloride or thiamine hydrochloride) for therapeutic administration, or in nitrate form (thiamine mononitrate) for enriching flour mixes.
thioantimonious acid — any of a group of hypothetical acids, H3SbS3, HSbS2, and H4Sb2S5, known only in the forms of their salts in solution
third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
thomas of erceldoune — Thomas of, Thomas of Erceldoune.
thought transference — transference of thought by extrasensory means from the mind of one individual to another; telepathy.
thread language zero — (language) (TL0) The instruction set of the TAM (Threaded Abstract Machine), used to implement Id.
three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
three-quarter nelson — a hold in which a wrestler, from a kneeling position behind a prone opponent, applies a half nelson with one arm, passes the other arm under the opponent's body on the near side, and locks the arms at the fingers or wrist on the back of the opponent's neck.
three-thorned acacia — honey locust.
throw up one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
to be a one-man show — to be reliant on one person alone
to be a warning shot — to be a warning
to be at loggerheads — to be in conflict
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 catch your breath — If something makes you catch your breath, it makes you take a short breath of air, usually because it shocks you.
to clean up your act — If someone who has been behaving badly cleans up their act, they start to behave in a more acceptable or responsible way.
to clear your throat — If you clear your throat, you cough once in order to make it easier to speak or to attract people's attention.
to cost someone dear — If something that someone does costs them dear, they suffer a lot as a result of it.
to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
to do your damnedest — If you say that you will do your damnedest to achieve something, you mean that you will try as hard as you can to do it, even though you think that it will take a lot of effort.
to fall on deaf ears — If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.
to fall on your feet — If you say that someone always falls or lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
to flog a dead horse — If you say that someone is flogging a dead horse, you mean that they are trying to achieve something impossible.
to get off sb's back — If you tell someone to get off your back, you are telling them angrily to stop criticizing you or putting pressure on you.
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 gnash one's teeth — If you say that someone is gnashing their teeth, you mean they are angry or frustrated about something.
to go the extra mile — If you say that someone is willing to go the extra mile, you mean that they are willing to make a special effort to do or achieve something.
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 hit the headlines — Someone or something that hits the headlines or grabs the headlines gets a lot of publicity from the media.
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 keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
to leave your/a mark — If someone or something leaves their mark or leaves a mark, they have a lasting effect on another person or thing.
to live and let live — You say live and let live as a way of saying that you should let other people behave in the way that they want to and not criticize them for behaving differently from you.
to look high and low — If you say that you looked high and low for something, you are emphasizing that you looked for it in every place that you could think of.
to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.

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