13-letter words containing a, t, h, r
- bathurst burr — an Australian plant, Xanthium spinosum, having numerous hooked burrs that became entangled in sheep's wool
- batrachotoxin — a steroidal alkaloid, C31H42N2O6, found in the skin of certain Neotropical frogs (genus Phyllobates) and used on poison arrows: one of the most powerful natural neurotoxins known
- bear the palm — to be the winner; take the prize
- beat the drum — a musical percussion instrument consisting of a hollow, usually cylindrical, body covered at one or both ends with a tightly stretched membrane, or head, which is struck with the hand, a stick, or a pair of sticks, and typically produces a booming, tapping, or hollow sound.
- behavioristic — the theory or doctrine that human or animal psychology can be accurately studied only through the examination and analysis of objectively observable and quantifiable behavioral events, in contrast with subjective mental states.
- bench warrant — a warrant issued by a judge or court directing that an offender be apprehended
- benton harbor — a city in SW Michigan, on Lake Michigan.
- berchtesgaden — a town in Germany, in SE Bavaria: site of the fortified mountain retreat of Adolf Hitler. Pop: 7667 (2003 est)
- bethnal green — a former borough of London, England, N of the Thames.
- bharat natyam — a form of Indian classical ballet
- bharata natya — a traditional south Indian dance style, formerly performed only by devadasis.
- bibliothecary — a librarian
- bibliotherapy — the use of reading as therapy
- big-heartedly — in a big-hearted manner
- bio-autograph — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bioautography — an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.
- birth parents — a child's biological parents, regardless of whether they subsequently bring up the child
- birthday bash — a birthday party
- birthday cake — a special cake eaten at a birthday party
- birthday card — a greeting card sent on someone's birthday
- birthday girl — the girl or woman whose birthday is being celebrated
- birthday suit — If you are in your birthday suit, you are not wearing any clothes.
- birthing ball — a large soft rubber ball used by women during childbirth to give support and to aid pain relief
- black panther — (in the US) a member of a militant Black political party (1965–82) founded to end the political dominance of White people
- black-hearted — evil, malicious, or wicked
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bohr magneton — a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10 −21 erg/gauss.
- bottle-washer — a menial or factotum
- boutros-ghali — ˈBoutros (ˈbutroʊs ) ; bo̅oˈtrōs) 1922- ; Egypt. diplomat: secretary-general of the United Nations (1992-96)
- brachydactyly — abnormal shortness of the fingers and toes.
- brachypterous — having very short or incompletely developed wings
- brachytherapy — a form of radiotherapy in which sealed sources of radioactive material are inserted temporarily into body cavities or directly into tumours
- brahminy kite — a common kite, Haliastur indus, of southern Asia and the southwest Pacific islands, having reddish-brown plumage with a white head and breast.
- break the ice — to relieve shyness or reserve, esp between strangers
- break through — If you break through a barrier, you succeed in forcing your way through it.
- breakthroughs — a military movement or advance all the way through and beyond an enemy's front-line defense.
- breathability — fitness to be breathed
- breathe again — to feel relief
- breeches part — a male role played by an actress.
- bridal wreath — any of several N temperate rosaceous shrubs of the genus Spiraea, esp S. prunifolia, cultivated for their sprays of small white flowers
- british asian — A British Asian person is someone of Indian, Pakistani, or Bangladeshi origin who has grown up in Britain.
- british india — the 17 provinces of India formerly governed by the British under the British sovereign: ceased to exist in 1947 when the independent states of India and Pakistan were created
- broad hatchet — a hatchet with a broad cutting edge.
- brokenhearted — Someone who is brokenhearted is very sad and upset because they have had a serious disappointment.
- bulbourethral — of or relating to the rounded mass of tissue surrounding the urethra at the root of the penis.
- burt standish — Burt L. pseudonym of Gilbert Patten.
- butch haircut — a short haircut for men, similar to a crew cut.
- butcher paper — heavy, moisture-resistant paper, as used for wrapping meat.