20-letter words containing h, o, a, b, i, n
- para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- 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
- royal british legion — an organization founded in 1921 to provide services and assistance for former members of the armed forces
- 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 warning shot — to be a warning
- 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.
- wilson cloud chamber — cloud chamber.