20-letter words containing c, h, a, b
- hindu-arabic numeral — Arabic numeral.
- hit the panic button — an alarm button for use in an emergency, as to summon help.
- hudson's bay company — a company chartered in England in 1670 to carry on fur trading with the Indians in North America.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- in contact (with sb) — If you are in contact with someone, you regularly meet them or communicate with them.
- in the public domain — able to be discussed and examined freely by the general public
- justifiable homicide — murder committed under extenuating circumstances
- lampbrush chromosome — a chromosome with looped projections resembling a brush
- massachusetts ballot — a ballot on which the candidates, with their party designations, are listed alphabetically in columns under the office for which they were nominated.
- meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
- methylbenzyl acetate — methylphenylcarbinyl acetate.
- moreton bay chestnut — an Australian leguminous tree, Castanospermum australe, having thin smooth bark and yellow or reddish flowers: used in furniture manufacture
- off the beaten track — formed or shaped by blows; hammered: a dish of beaten brass.
- 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.
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- pipeline burst cache — (hardware, storage) (PB Cache) A synchronous cache built from pipelined SRAM. A cache in which reading or writing a new location takes multiple cycles but subsequent locations can be accessed in a single cycle. On Pentium systems in 1996, pipeline burst caches are frequently used as secondary caches. The first 8 bytes of data are transferred in 3 CPU cycles, and the next 3 8-byte pieces of data are transferred in one cycle each.
- play catch-up (ball) — to try to equal or surpass one's opponent in competition, as a ballgame, in which one is behind
- potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
- 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
- saint john ambulance — an organization that provides first aid and first-aid training
- second-hand bookshop — a shop selling second-hand books
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- 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.
- splice the mainbrace — to issue and partake of an extra allocation of alcoholic spirits
- stare sb in the face — If a situation or the answer to a problem is staring you in the face, it is very obvious, although you may not be immediately aware of it.
- 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.
- straight-cut tobacco — tobacco that is cut in such a way that it will lie flat.
- switchboard operator — a person who operates an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
- 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.
- the butterfat cheque — the total annual cash return for operations on a dairy farm
- the canterbury tales — an uncompleted sequence of tales by Chaucer, written for the most part after 1387.
- therapeutic abortion — abortion performed when a woman's pregnancy endangers her health.
- 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 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 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 scrape the barrel — If you say that someone is scraping the barrel, or scraping the bottom of the barrel, you disapprove of the fact that they are using or doing something of extremely poor quality.
- toothbrush moustache — a short narrow moustache, resembling the filaments of a toothbrush
- tribromoacetaldehyde — bromal.
- watch sb like a hawk — If you watch someone like a hawk, you observe them very carefully, usually to make sure that they do not make a mistake or do something you do not want them to do.
- watch someone's back — the rear part of the human body, extending from the neck to the lower end of the spine.
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- wilson cloud chamber — cloud chamber.
- yellow-breasted chat — an American warbler, Icteria virens, having a yellow throat and breast and greenish-brown upper parts and noted for imitating the songs of other species.