16-letter words containing h, a, d
- attendance sheet — an official document for listing those attending a meeting, class, course, etc
- atwood's machine — a device consisting of two unequal masses connected by a string passed over a pulley, used to illustrate the laws of motion.
- audience chamber — a room where a monarch or head of state conducts formal interviews
- auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
- autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
- avian diphtheria — a virus disease of chickens and other birds characterized by warty excrescences on the comb and wattles, and often by diphtherialike changes in the mucous membranes of the head.
- background check — an investigation into a person's origins and previous history
- baggage handling — the work of dealing with and sorting passengers' baggage at an airport
- bahasa indonesia — the official language of Indonesia: developed from the form of Malay formerly widely used as a trade language in SE Asia
- barium hydroxide — a white poisonous crystalline solid, used in the manufacture of organic compounds and in the preparation of beet sugar. Formula: Ba(OH)2
- bartholomeu dias — Bartholomeu [bahr-too-loo-me-oo] /ˌbɑr tʊ lʊˈmɛ ʊ/ (Show IPA), c1450–1500, Portuguese navigator: discoverer of the Cape of Good Hope.
- basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
- bastard daughter — an illegitimate daughter
- bastard mahogany — an Australian tree, Eucalyptus botryoides, of the myrtle family, having lance-shaped leaves and furrowed bark.
- batch production — production of goods in batches, rather than continuously
- bearish tendency — a tendency for share prices to fall
- beat to the draw — to be quicker than (another) in doing something, as in drawing one's weapon
- belgian sheepdog — any of a Belgian breed of large herding dog with a black coat, sometimes used as a guide dog
- bihar and orissa — a former province of NE India: now divided into the states of Bihar and Odisha (formerly Orissa).
- biological child — any child conceived rather than adopted by a specified parent, and therefore carrying genes from the parent.
- bird in the hand — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.
- birthday honours — (in Britain) honorary titles conferred on the official birthday of the sovereign
- birthday present — a gift given to someone on their birthday
- black nightshade — a poisonous solanaceous plant, Solanum nigrum, a common weed in cultivated land, having small white flowers with backward-curved petals and black berry-like fruits
- bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
- bonded warehouse — a warehouse in which dutiable goods are deposited until duty is paid or the goods are cleared for export
- bonhomme richard — the flagship of John Paul Jones.
- book of the dead — in ancient Egypt, a book of prayers and charms meant to help the soul in the afterworld
- boreal chickadee — a brown-capped, black-throated chickadee (Parus hudsonicus) found near the Atlantic coast from Labrador to N New York
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- break the record — surpass previous highest, best
- bright and early — very early in the morning
- bright's disease — chronic inflammation of the kidneys; chronic nephritis
- british honduras — Belize
- broad-shouldered — having broad shoulders
- bureau de change — a place where foreign currencies can be exchanged
- busman's holiday — If you have a holiday, but spend it doing something similar to your usual work, you can refer to it as a busman's holiday.
- cadmium sulphide — an orange or yellow insoluble solid used as a pigment in paints, etc (cadmium yellow). Formula: CdS
- caducibranchiate — (of many amphibians, such as frogs) having gills during one stage of the life cycle only
- calcium chloride — a white deliquescent salt occurring naturally in seawater and used in the de-icing of roads and as a drying agent. Formula: CaCl2
- call of the wild — a novel (1903) by Jack London.
- camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
- canadian english — the English language as spoken in Canada
- canadian hemlock — eastern hemlock.
- canyon de chelly — a canyon in NE Arizona, in the Navajo reservation: site contains prehistoric cliff dwellings.
- cape cod lighter — a device for lighting a fire, as in a fireplace, consisting of a lump of nonflammable material on a metal rod, that is soaked in kerosene or the like and lighted with a match.
- cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
- cash on delivery — If you pay for goods cash on delivery, you pay for them in cash when they are delivered. The abbreviation C.O.D. is also used.
- catch a few zeds — to have a nap
- catch red-handed — If someone is caught red-handed, they are caught while they are in the act of doing something wrong.