20-letter words containing n, a, b, o, t, h
- proactive inhibition — the tendency for earlier memories to interfere with the retrieval of material learned later
- prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
- prothonotary warbler — a wood warbler, Protonotaria citrea, of the eastern U.S., having an orange-yellow head and underparts, and bluish-gray wings and tail.
- royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
- rub up the wrong way — to arouse anger (in); annoy
- 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.
- spherical aberration — variation in focal length of a lens or mirror from center to edge, due to its spherical shape.
- 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.
- 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.
- 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.
- 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 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 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 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.
- war of the rebellion — American Civil War.
- watch someone's back — the rear part of the human body, extending from the neck to the lower end of the spine.