16-letter words containing a, c, t, m, h
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- christmas hamper — a collection of seasonal delicacies, often housed in a wicker hamper, which people or organizations give as Christmas presents
- christmas island — an island in the Indian Ocean, south of Java: administered by Singapore (1900–58), now by Australia; phosphate mining. Pop: 1496 (2013 est). Area: 135 sq km (52 sq miles)
- christmas lights — strings of lights put up in the Christmas period to decorate houses
- chromatic number — (mathematics) The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
- chromatographies — Plural form of chromatography.
- chromium plating — plating, often for decorative effect, made of chromium
- chromolithograph — a picture produced by chromolithography
- cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease
- coital exanthema — a common venereal disease affecting horses and cattle, caused by a virus and characterized by the appearance of pustules on the mucous membranes of the genital organs and neighboring skin.
- columbia heights — a city in SE Minnesota, near Minneapolis.
- combination shot — a shot in pool in which the cue ball strikes at least one object ball before contact is made with the ball to be pocketed.
- common logarithm — a logarithm to the base ten. Usually written log or log10
- commonwealth day — the anniversary of Queen Victoria's birth, May 24, celebrated (now on the second Monday in March) as a holiday in many parts of the Commonwealth
- community charge — (formerly in Britain) a flat-rate charge paid by each adult in a community to his or her local authority in place of rates
- comparable worth — the doctrine that a woman's and man's pay should be equal when their work requires equal training, skills, and responsibilities.
- crash test dummy — a dummy used in crash tests
- cyclohexamantane — (chemistry) A certain diamondoid, C26H30.
- database machine — (hardware) A computer or special hardware that stores and retrieves data from a database. It is specially designed for database access and is coupled to the main (front-end) computer(s) by a high-speed channel. This contrasts with a database server, which is a computer in a local area network that holds a database. The database machine is tightly coupled to the main CPU, whereas the database server is loosely coupled via the network.
- debating chamber — a room where a legislative assembly holds debates
- dehumidification — Dehumidification is the removal of vapor from a gas-vapor mixture.
- diacetylmorphine — heroin.
- diamondback moth — a small moth Plutella xylostella that has diamond-shaped markings on the underside of its front wings that are visible when the wings are folded
- dimethylcarbinol — isopropyl alcohol.
- diplomatic pouch — a sealed mailbag containing diplomatic correspondence that is sent free of inspection between a foreign office and its diplomatic or consular post abroad or from one such post to another.
- direct-mail shot — the posting of unsolicited sales literature to potential customers' homes or business addresses
- disfranchisement — to deprive (a person) of a right of citizenship, as of the right to vote.
- electromechanics — the engineering aspects of devices that are controlled by either static or magnetic electric charges
- electromyographs — Plural form of electromyograph.
- electromyography — The recording of the electrical activity of muscle tissue, or its representation as a visual display or audible signal, using electrodes attached to the skin or inserted into the muscle.
- exhibition match — a sports match which is not part of a competition but instead serves the function of demonstrating the skills of the players
- expectant mother — a pregnant woman
- extrachromosomal — Happening outside a chromosome.
- father christmas — Santa Claus.
- feather merchant — a person who avoids responsibility and effort; loafer.
- haemochromatosis — (British spelling) alternative spelling of hemochromatosis.
- hamming distance — (data) The minimum number of bits that must be changed in order to convert one bit string into another. Named after the mathematician Richard Hamming.
- hayes-compatible — (communications) A description of a modem which understands the same set of commands as one made by Hayes.
- hematocrit-value — a centrifuge for separating the cells of the blood from the plasma.
- hematocrystallin — (biology, archaic) hemoglobin.
- hemolytic anemia — an anemic condition characterized by the destruction of red blood cells: seen in some drug reactions and in certain infectious and hereditary disorders.
- hemotherapeutics — hemotherapy.
- hermaphroditical — Alternative form of hermaphroditic.
- high-maintenance — needing frequent maintenance or repair: My bike is high-maintenance; this is its third front wheel this month.
- homeric laughter — loud, hearty laughter, as of the gods.
- homeroom teacher — the teacher attached to the homeroom of a group of students
- hydraulic cement — cement that can solidify under water.
- hyperaccumulator — a plant that absorbs toxins, such as heavy metals, to a greater concentration than that in the soil in which it is growing
- hypermasculinity — pertaining to or characteristic of a man or men: masculine attire.
- immethodicalness — Lack of method; the quality of being immethodical.